Simplify. Your answer should contain only positive
exponents.
-2^х

What is the value of x in the this question ?

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?

What is the expression equivalent to (3x^2-7)