Find the area of the following squares:

c) s=3.5yd d) s=9cm

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old