$20.01
step-by-step explanation:
the sale price is (1.00 - 0.77)($87), or 0.23($87), or $20.01.
hello from mrbilldoesmath!
answer: x (x+6)^2, choice b
discussion:
factor x out of the equation:
x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).
note that 6+6 = 12 and 6*6 = 36 so the above factors into:
x (x+6)^2
which is choice b
you,
mrb