A company uses paper cups shaped like cones for it's water cooler. Each cup has a height of 8 cm and the base has a radius of 3 cm how much water is needed to fill 225 cups? Use 13.14 for pie and do not round your answer.

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.