506,709 in expanded form

Yvaries directly as x. y =90 when x=6. find y when x=13

What should be done to both sides of the equation in order to solve -5m = -40? a) multiply by -5. b) divide by -5. c) multiply by -40. d) divide by -40.

If two lines form congruent alternate interior angles with a transversal, then the lines