Which expression can be simplified to x®?
Ⓡ
(x2)
®
x3.x
7/8 x 17

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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