Will is at a shirt sale where he can buy one and get a second one for 40 percent off. he wants to buy two shirts priced at $29 each. how much will he pay? cost after discount = (2 × list price) – (list price × discount percentage) $34.80 $40.60 $46.40

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

What expression is equivalent to 42x-56y

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?