The willis tower is 1450 feet tall. jeff wanted to make a scale model for his class project, but his mother's car can hold only a 36 in. tall model. what scale factor should jeff use to create his model?

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.

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?