The product of c and 2 is greater than or equal to 20

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

He concluded that a heavier object dropped from the same height as a lighter object will land

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.