A cylinder has a base radius of 5 inches and a height of 6 inches. What is its volume in cubic inches, to the nearest tenths place?

Find an equation for the linear function which has slope -10 and x-intercept -7

What is the number 321,000,000 in scientific notation? also what is the number? ?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?