Find out the names of at least 20 programming languages and their developers.

PLEASE HELP!!!A weather forecaster predicts that there is a 50% chance of rain on Saturday and a 40% chance of rain on Sunday. If these probabilities are correct, what is the probability that it will rain on both days? Please help ASAP I will mark you as brainliest Which of the following is NOT a type of wetland? a: marshb: bogc: swampd: pelagic Which sentence uses a contraction incorrectly?Id never seen a tornado until last year.Theyve both got wondrous writing talent.Weve got an urgent appointment to attend.The dog knew its job was to stop trespassers. A circle has a radius of 4 inches. What isthe circumference?A.25.12 inchesB.12.56 inches Which details show that Dean was serious and passionate about his inventions? Find the sum of the first 8 terms of the following sequence. Round to the nearest hundredth if necessary. 20,40,80,... Can someone please help me! No bots will be acceptable!!! This is due today. Pls help!! I just need help with number 2. , the first question. Thanks! What would be a useful way to check your understanding of this passage?The Aquaduct is a multipurpose vehicle that not only cuts transportation time to get to water sources, but it also purifies the water as the rider cycles home. This dual function saves even more time and energy.Unfiltered water is poured into a storage tank at the back. As the rider pedals, the pump is activated and the water is pushed through a filtration system and finally into the clean tank on the front of the bike. Once the water in the front storage tank has been used up by the family, the rider of the Aquaduct can disengage the clutch and turn the Aquaduct into a stationary bike that she can pedal at home to purify the remaining water.a.ask yourself questionsc.summarize while readingb.to relate the pictures to the textd.all of these What does the United Nations have that the League of Nations did not?a. the participation of non-Communist nationsb. the participation of Western European nationsc. international participationd. the participation of the United States what is the volume of a sphere with a radius of 9.2cm, rounded to the nearest tenth of a cubic centimeter Calculate the perimeter and the area of the figure use 3.14 Which element would have properties most like helium (He)?A. Ar B. HgC. HD. O What is the volume of a cube that has a side of 4 units? A pharmaceutical company is going to issue new ID codes to its employees. Each code will have three letters followed by one digit. The letters and and the digits , , , and will not be used. So, there are letters and digits that will be used. Assume that the letters can be repeated. How many employee ID codes can be generated Please answer quickly Write the word sentence as an inequality.Three times a number h is at least -12 . HELPPPPPPPPPPPPPPPPPPPPPPPP The center of the Pentagon in Arlington, Virginia, is a courtyard in the shape of a regular pentagon The pentagoncould be inscribed in a circle with a radius of 300 feet. Find the area of the courtyard Round to the nearest tenth Plz help me well mark brainliest if correct..???