1-2m-5m=15
combine like terms
1 -7m = 15
subtract 1 from each side
1-1-7m = 15-1
simplify
-7m = 14
divide by -7
-7m/-7 = 14/-7
simplify
m = -2
Light travels 5,580,000 mi/s in thirty seconds
Answer:
A=2(wl+hl+hw)=2·(8·12+4·12+4·8)=352
Step-by-step explanation:
brainliest?
Answer:
Supplementary
Step-by-step explanation:
84 plus 96 equals 180 degrees
supplementary angles are angles that add up to 180 so their relationship is supplementary