When you factor the equation...
r^2-4r-77
r^2+7r-11r-77
r(r+7)-11(r+7)
(r-11)(r+7) so each parenthetical term is a dimension.
Note that r>11 though for any possible real solution.
Step-by-step explanation:
Simplify fractions on fractions

Multiply by the inverse of denominator

Simplify fractions on fractions

Multiply by the inverse of denominator

Add both sides

Answer:
aWht is this .??????????????
Step-by-step explanation:
They are asking, like units are in the sum
The absolute value of 2 + 7<span> is 5.</span>