Answer:
third one
Step-by-step explanation:
2g+2>-4
g>-3
Answer: 9a^4 - b^2
= (3a^2)^2 - b^2
= (3a^2 + b)(3a^2 - b) using a^2 - b^2 = (a+b)(a-b)
hope it helps.
C=students who will join
X=students who are in the club in total
20+c=x
Answer:
4m-12
Step-by-step explanation:
since the perimeter of a square is the addition of all four equal sides, therefore:-
P=(m-3)+(m-3)+(m-3)+(m-3)
P=m-3+m-3+m-3+m-3
<em>collect</em><em> </em><em>like</em><em> </em><em>terms</em>
P=m+m+m+m-3-3-3-3
P=4m-12.
