Answer:
Step-by-step explanation:
work done=force*displacement
=350 N *15m
=5250 Joule
z = - 0.02
0.3 = -15z
0.3 / -15 = z
-0.02 = z
60*80%=
60*0.8 = 48
one of your choices should be 48 or something close to 48
-4,7
add both to get y=7
then sub y in 2 to get 8x+42=10
8x=-32
x=-4
