Find the percent of increase for 4 to 7. round to the nearest tenth if necessary. also someone explain how to do this.

75%

Step-by-step explanation:

The percent increase is calculated as

percent increase = × 100%

increase = 7 - 4 = 3, thus

% increase = × 100% = = 75%

answer:

125 yards

explanation:

75+50=125. that is my answer

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