The value of y varies directly with x. When y=225 , x=35 . What is the value of y when x is 45 ?

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

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x

Ihonestly have no clue if it's each or none.