If carina can ride her bike at a speed of 7 mph, it will take her 3 hours to travel 21 miles. True or false?

The volume of a cube is 8 in to the 3rd power. how long is each side?

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

What are the first 4 terms in the multiplication pattern given by the formula 2×4n