Which speed is the fastest? A) 18 feet in 20 minutes B) 90 feet in 2 hours

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?