Find the standard deviation of this set of data 15,21,15,20,19

Round to the nearest thousandth as needed

Turn 9/4 into a mixed number

What is the mean 10, 15, 12, 18, 19, 16, 12

What is the solution set to 4x - 8 = 9x + 2

Brake down 45 in 10's and ones more then one way

Luke has been saving up his money to buy a new game. He saved $12.00 last month and saved $14.00 this month. The game he really wants to buy costs $38.00. 5. (04.8) How much more money does Luke need to buy the game?

The sum of two numbers is 16, and there difference is 8. determine the numbers by solving the following systems of equations, using x and y to represent the unknown numbers. x+y = 16 x_y=8

A study will be conducted to investigate whether there is a difference in the mean weights between two populations of raccoons.

104/99 as mixed number

Which of the following is the reciprocal parent function A. f (x) = - x^2 B. F (x) = x+1 C. F (x) = |x| D. F (x) = 1/x

What is the sales tax on a jacket priced at $525 if the sales tax rate is 6%?