30% of 310 students how many students play an instrument

A cylinder has a height of 3.5ft, and a radius of 2ft. Find the volume of the cylinder.

In February 1981 there were 28 days all in complete weeks. There are 7 days in a complete week. How many weeks were there in february 1981

If 2866 represents 5% of the total, how do I calculate the 95%?

If f (x) = 3x+1 and f ^-1=x-1/3 then the ordered pair of f (3)

Translate the following expression 20 decreased by 17 Question 7 options: 17 - 20 20 - 17 20 + 17 17 + 20

Mabel is the costume manager for a large theater company. She has 20 different hats, including 4 pork pie hats.

The height above the ground of an airplane that is landing is decreasing at an average rate of 300 feet every 6 seconds. By how many feet is the height of the airplane decreasing per second?

P=$4500 r=6% t=3 years what is I

A kilogram of whole - wheat flour cost $6. what is the cost of 400 grams of the flour?

11/20 + c=3/4 what is the answer