What’s the percent increase from 6.2 to 9.1?

46.774194%

Step-by-step explanation:

6.2 → 100%

1 → (100/6.2)%

9.1 → ((100/6.2)x9.1)% = 146.774194%...

percentage increase = 146.774194% - 100% = 46.774194

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