If y varies directly as x, and y is 12 when x is 1.2, what is the constant of variation for this relation? 1
10
108
144

In terms of x, find an expression that represents the area of the shaded region. the outer square has side lengths of (x+5) and the inner square has side lengths of (x-2), as shown. area: a1 x + a2 square units submit