Test scores are normally distributed with a mean of 100 and a standard deviation of 15. an individual's iq score is found to be 90. find the z-score corresponding to this value.

A landscaper ordered 6 cubic yards of soil. So far she has used 90 cubic feet of soil. How many cubic feet of soil are left?

What goes into 24 and 32

How does f (x) = 9^x change over the interval from x = 4 to x = 5? A) f (x) increases by 9 B) f (x) decreases by 9 C) f (x) increases by a factor of 9 D) f (x) decreases by a factor of 9

What is 0.10221 in scientific notation

Which statement is true about the function f (x) =

How do you write a decimal in word form

Tomas bought a book for $25.99 on sale for 25% off

A carpenter is assigned the job of expanding a rectangular deck where the width is one-sixth the length. The length of the deck is to be expanded by 4 feet, and the width by 2 feet.

a sample of 120 employees of a company is selected, the average age is found to be 37 years. determine whether the given value is a statistic or parameter. explain your answer.

Why can't you use the product of powers rule to simplify this expression? Explain. 3^4•2^8