Answer:
9m2+16n2+24mn-48mn
9m2+16n2-24mn
(3m-4n)2
46.3
Why?
7.4+7.2= 14.6
6.3+6.3= 12.6
10.5+8.6= 19.1
14.6+12.6+19.1= 46.3
add 2x to both sides
Step-by-step explanation:
-x+2y=-10
2y=x-10
y=1/2x-5
Answer:82000
1500t+70000