Alex is saving up to buy the newest version of Playstation. Alex earns $84 after 3 weeks of mowing lawns. How much money does Alex earn per week mowing lawns?

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Sum of the interior angles of a pentagon