Solve each equation.
3a - 7 = 26
A=

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

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

Which expression and diagram represent “renee biked four times as far this month as last month”?