1/2 lbs of flour is put in a jar. If it fills 2/5 of the jar, what quantity of flour can jar?

1 1/4 pounds

Step-by-step explanation:

1/2 ÷ 2/5 = 5/4

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