Is the absolute value of every rational number positive?

The base diameter and the height of a cone are both equal to x units. Which expression represents the volume of the cone, in cubic units? πx2 2πx3 πx2 πx3

When a number is decreased by 79%, the result is 13. What is the original number to the nearest tenth?

Simplify square root of 550

A textbooks store sold a combined total of 233 biology and chemistry textbooks in a week. The number of chemistry textbooks sold was 65 less than the number of biology textbooks sold. How many textbooks of each type were sold?

What do the following two equations represent? -2x - 4y = - 3 6x + 12y = - 1

6 2/3 and 6 12/15, greater than, less than or equal

4/sqrt (2) + 10 Is this rational or not?

How to find the roots of h (x) = 2x^2 + 26

The bull's eye on an archery target has a radius of 3 inches. The entire target has a radius of 9 inches. To the nearest 10th, find the area of the target outside the bull's eye.

Which measure is equivalent to 110mL?