Answer:
answer is 39
Step-by-step explanation:
39
41+x=80
x=39
y=-6/7+13
The y intercept will just move 9 units up (so add 9 to 4)
21. the values of x such f(x) < g(x):
22. The values of x such g(x) < 0:
is the ability to do work
