Mathematics

there are 1200 students in a school. if 2/5 are girl what is the number and percentage of boys? find it
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Melanie has 10 packets of 20 biscuits. She puts 3/10 of them on a plate to serve. How many biscuits are being served?
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Suppose the relationship between x and y is proportional. When x is 7 , y is . 147 Identify the constant of proportionality of y to x.
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Work out 247 as a percentage of 380.
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Identify the five-number summary of the following data se7. 11. 21. 28, 32, 33, 37, 43
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first to solve right get brainlest
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If x=2, y=4, m= -1, and n=3 find the value of :X^m+n * y^n-m/ x^m-n * y^n+m
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HELP PLEASE IS IMPORTANT!Solve the equation by using the Quadratic Formula.2x 92-5
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A taxicab charges $3.00 per personplus $1.25 per mile. What is thegreatest distance one passengercould travel with a budget of$28.00?
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y=x^2 translate 4 units down and 3 units left
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Answers ASAP THANKS!!!
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whats b + 29 + 12b + 5b if b = -3
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Which of the following is equal to(x - 3)(2x + 4x - 1)?A 2x3 - 2x2 - 11x + 3B 2x3 -- 2x2 - 13x + 3
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A fabric store sells close-out fabrics for $2.14 a yard. A customer buys 8 yards of fabric. How much does the customer pay for the fabric? Show your work.
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The difference between eight times a number and three is equal to negative nineteen. What is the number?-22-33
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Negative 4 squared + (5 minus 2) (negative 6)
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angle A and angle B are supplementary angles. If m=(4x - 30) degree and mB =(4x-14) degree, then find the measure of A
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There are 12 students in a class, and 7 of them will be chosen to go on a field trip. How many ways canthese students be chosen?
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There are 32 vanilla cupcakes and 40 chocolate cupcakes at a bakery. All of the cupcakes must be placed in boxes with the same number of vanilla cupcakes and the same number of chocolate cupcakes in each box.
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When a guy says he cheated just to let the world know what does he mean?
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The price tag on the remote-controlled helicopter said $79. If Jimmy buys thehelicopter, he'll also have to pay 8% sales tax. How much does the helicopter cost withtar?
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Which of the sets of ordered pairs represents a function? A = {(3, 5), (4, 6), (3, 9), (2, 7)}B = {(2, 4), (1, 4), (5, 4), (4, 4)} aBoth A and B bOnly B cOnly A dNeither A nor B
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10)There are 14 black pens out of 25 pens. What percent of the pens are black?
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Simple Geometry Question 100 PointsHow do you use coordinates to find the area of polygons?
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