Answer:
1: equivalent
2: equivalent
3: not equivalent
Step-by-step explanation:
for 1 & 2, you just switch the terms, but for 3, the 6z is not negative in the first expression, but it is in the second.
For one moth it would be....

$57.00 In total but im not sure if this is correct so if you could make sure please.
Multiple the numerator and the denominator by the same whole number for example 3:4 x 5 = 15:20
Answer: Use the function f(x)=x2-2x+8 and the graph of g(x) to determine the difference betw een the maximum value of g(x) and the minimum value of f(x).
Considering there is not much information my best guess would be 175-28x