Bill's hardware marks up snow blowers $130 and sells them for $485. markup is on cost. what are the cost and percent markup to the nearest hundredth percent?

You can find the constant of proportionality by finding the ratio of

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Solve x+3y=6 and 4x-6y=6 by elimination . show work !