Please answer 5x + 9y when x=8 and y=11
a3 - c + b, when a=3, b=6, c=8
4(g-h) + 10, when g=12, h=7
42 - 5z + 3(x + y), when x=4, y=9, z=7
k3 - 4j + 12, when k=8, j=2
12a - 3b2, when a=9, b=4
11(d - c) + 3(c + d), when c=6, d=9
g3 - h2 + 8, when g=3, h=5
100 - x2 + 15, when x=9

Me find the measure to side a and the process to solve the problem you appreciate it : )

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)

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.