(04.01)the martinez family walked of a mile in of an hour. what equation can be used to calculate their unit rate in miles per hour?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume