Answer:
c
Step-by-step explanation:
reason for is because when you add all the like terms you end up with c
13.5 inches, because if you add 4.5x4 or 9x2 it equals 18, then you just subtract 4.5 from 18 and it’s 13.5
Answer:
15 joules
Step-by-step explanation:
SUBTRACT 3 FROM 18
18 JOULES-3 JOULES=15 JOULES
HOPE IT HELPS