PLEASE HELP ASAP! THIS IS A TEST 8 cm
3 cm
A cylinder with diameter 3 centimeters and height 8 centimeters is filled with water. Use
3.14 for pi
How much water is in the cylinder? (what is the volume of the cylinder?)

If f(x)= 3x+6 which of the following is the inverse of f(x)

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.

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?