40% of what number is 10.2?

Pilar wanted to use estimation to solve a decimal addition problem. She correctly used estimation to rewrite the problem as 12 + 3 + 5 + 6. What could her original problem have been?

The cylindrical jar above has a height of 12 centimeters and a radius of 4 centimeters. The jar contains 20 spherical marbles. Each marble has a radius of 0.8 centimeters.

Mia has a conical container filled with chocolates. She knows that the volume of the container is equal to one-third of the product of, the square of the radius of the base of the container, and the height of the container.

Find the mode of the data set: 122, 135, 135, 116, 195, 122, 175, 195. A. 116 B. 135 C. 122, 135 D. 122, 135, 195

9. The temperature at noon was 84° F and it began to drop 0.8° each hour. If the current temperature is 79.2° F, write and solve an equation to determine the number of hours that have passed.

What is the zeros of y=x (x+5) (x-8)

Are the two statements equivalent? Explain your reasoning. -The ratio of orange to blue is 3 to 4 -The ratio of blue to orange is 12 to 9.

A summer camp is organizing a hike in needs to buy granola bars for the campers. The granola bars come in small boxes in large boxes. Each small box has 8 granola bars in each large bags as 12 granola bars.

A mirror is 24 inches high and 28 inches wide. The center of the mirror will hang 5 1/4 feet from the floor on the wall tha is 8 feet high

Is 5/3 a irrational number