Write the slope-intercept form of the equation given slope and y-intercept: Slope = 2

y-intercept = (0,4)

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?