HELP PLEASE!! What is the volume of the pyramid in the diagram?

A. 1,500 cm3
B. 2,500 cm3
C. 4,500 cm3
D. 7,500 cm3

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

What is 1.5% of 120 or what number is 1.5% of 120

How can you find the magnitude of a vector, v = < x, y > , where the horizontal change is x and the vertical change is y?