45m+10n-30m
15m+10n
I believe this is right.
Answer:
3x + 2 < –7 or 3x + 2 > 7
Answer:
B. the second one
Step-by-step explanation:
Answer:54sqft
Step-by-step explanation:
A=b*h/2
A=9*12/2=54sqft
Answer:
580.75
Step-by-step explanation: 11.50 * 40 =460
11.50 * 1.5 =`17.25*7= 120.75
120.75+460=580.75