A 45 ft ladder is leaning up against a building. The base of the ladder is 20 feet away from the building. What is the angle of elevation to the top of the building

What is the first quartile of the data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers