A bucket contains 40 marbles: 20 green, 5 blue, 15 red. You randomly select a marble from the bucket, put it back, then choose another. Find the probability of selecting a green marble, then a blue. Please give an clear explanation!

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )

Find the measure of the angle indicated in bold