Simplify the expression 2(10)+2(x-2)

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

Solve the system of equations. y= 2x y= x^2 - 15

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.