Subtract the powers
c. 9-7 so 10^2
d. 8-1 so 5^7
A. equation: p=$10.75h
variables=p(profit) h(hours)
B. use this equation and plug in 37 for h then solve.
hope this helps
B ifffh my sdtvhh by has the
-3x = -3 because you would multiply one of the equations by -1 to eliminate y.