which expression has a value of 2, using only four 4s and any of the following : +, -, ·, :, exponents, and/or parentheses

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

R + 1 2/3 = - 8/15 Solve for r

If cos⁡ x=7/25, and 0

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