If y varies directly as x^2 and y=6 when x=6, find the constant of variation.

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

9/10 divide by -3/15 as a mixed number