Olive buys clothes at a store with a total bill of $54.50. She has a 20% off coupon and pays 7.5% sales tax. She calculates the total (54.50 = 1.20) (1.075)

And explain how you got it so i can understand future problems : 3

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1