George invited 65 students in his school to volunteer at a charity race. 39 of the students signed up to volunteer. What percent of the invited student signed up?

If the complex number x = 3 + bi and |x|2 = 13, which is a possible value of b?

What is the correct solution for - 12 < 5x + 13 < - 2?

A) The ratio 20 minutes to 1 hour can be written in the form 1:n. Find the value of n.

There are 2 red pens, 3 blue pens 1 black pens, and 4 green pens in a desk drawers

What's the square root of 64

The ordered pairs (1,36), (2,49), (3,64), (4,81), and (5,100) represent a function. What is a rule that represents this function A. Y=x^2 B. Y=36x C. Y = (x+5) ^2 D. Y = (x+6) ^2

Write three equivalent ratios for 5/7

Suppose that you need to create a list of n values that have a specific known mean. Some of the n values can be freely selected. How many of the n values can be freely assigned before the remaining values are determined

The number of pages in the U. S. tax code exceeds the number of pages in the King James Bible by 18,528. The combined number of pages in the tax code and the Bible is 21,472. How many pages are in the U. S. tax code?

What is the geometric mean of 275 and 11?