Answer:
2.5
Step-by-step explanation:
Ummmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm idk
Answer:
m=9
Step-by-step explanation:
12m+80=188
subtract 80 from both sides to get the m alone.
12m+80-80=188-80
12m=108
divide both sides by twelve.
12m/12=108/12
m=9
Answer:
4a²+62a+49
Step-by-step explanation:
since (a+b)^2= a^2+2ab+b^2
(3a +7)² – 5a(a-4)
simplify the equation first
9a²+42a+49-5a²+20a
= 4a²+62a+49