Mark bought 31 white and yellow shirts. The white shirts were $10.95 and the yellow shirts were $12.45 and altogether costs $355.95 .how many yellow shirts were purchased. Plz explain ​

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

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