Answer:
k= -9
Step-by-step explanation:
2k-3=9k+63-3 [expand the 9(k+7) first]
2k-9k=63-3+3 [put the like terms together]
-7k=63 [do the simple math]
k= 63 ÷ by -7
k=-9
4 + 4 + 4 - 1 = 11? Was it supposed to be an equation? I am confused.
Answer:
20%
Step-by-step explanation:
14/70x100=20%
Mechanical Advantage = Force by Hammer / Force by Nail = 160/40 = 4