Shelby is creating a budget for the week. At her job, she earns $15.50 per hour. Her rent costs $300. Shelby wants to have at least $280 left over after paying rent. Which inequality shows how many hours, , Shelby should work? A
h(300−15.50)≥280
B
300h+15.50≥280
C
15.50h−300≥280
D
300−15.50h≥280

the answer would be 484

step-by-step explanation:

just multiply 0.484 times 1,000 (formula)

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