Paint: price; $13.99 unit; quart beth needs 5 1/4 quarts of paint to paint some walls. how much will it cost her? (assume she can buy a fraction of a quart at the same rate.)

What are “like terms”? why can we only add like terms?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.