A watch was on sale for 70% off. The sale price is $60. What was the original price?

Find the value of the variable and the length of each secant segment

He concluded that a heavier object dropped from the same height as a lighter object will land

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