HELP PLEASE! Which expression is equivalent to 2m2-m2(7-m)+6m2?
A. m2-m
B.-m3+13m2
C.-m3+m2
D. m3+m2

Rewrite the following without an exponent. (5/8)-1

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

Which function has the domain x> -11? y= x+ 11 +5 y= x-11 +5 y= x+5 - 11 y= x+5 + 11