Simplify the following expression. 1/3 (27-21x)

A. 9+7

B. 9-7x

C. 9+7x

D. 9-7

Which of the following statements best describes the location of - (-1) on a number line? It is 1 unit to the left of 0. It is 1 unit to the right of 0. It is 1 unit to the right of 1. It is 1 unit to the left of 1.

Simplify the following equation: 17x-6+3x-5 = x+11+4x

Select all of the steps that are possible when solving for x. 5 1/2x+2/3x=37 select all that apply

What expession represents five times the quotient of some number and ten

A recipe for cookies calls for 2/3 of a cup of sugar per batch. Elba used 5 1/3 cups of sugar to make multiple batches of cookies. How many batches did she make?

What is the estimate of 145.4 : 21 with a solution!

What is an exterior angle of a triangle

Shen earns 41 dollars per week working part-time at a book store. He makes one dollar more for each book that he sells.

On a map of Ayana's town, the library is located at (-5,-3) and the middle school is located at (0,2). Each unit of the map represents 1 mile. Ayana wants to bike from the middle school to the library.

The average IQ score follows a Normal distribution, with a mean of μ = 100 and a standard deviation of σ = 15. What is the probability that the mean IQ score of 25 randomly selected people will be greater than 105? 0 0.0478 0.50 0.68 0.9522