Please help me with these three, I'm so lost. What I'm trying to find: Solve each of the equations algebraically.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls

well the answer to that is xoxoxo

step-by-step explanation:

to complete this square you have to rotate about the origin 270 degrees clockwise.