Richard Klein works as an auto mechanic and earns the following commission rate: 3.00% for oil changes, 5.00% for tune ups and 6.25% on auto part sales. He is guaranteed a minimum salary of $2,450.00 per month. Last month he brought in $2,500.00 in oil changes,$4,500.00 in tune ups and sold $28,200.00 in parts. What is his gross pay for the month? A) $2,112.50
B) $2,450.00
C) $2,200.00
D) $5,016.00

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?