Answer:
a is 2.5
b is 1
gradient is rise over run
Okay, so this is simple. It just needs steps.
Quotient of 18 and 2 = 9.
Sum of 22 and 9 = 31.
31 - 9 = 22.
5 days * $125 daily fee + $??.?? Deposit = $700
5*125+x=700
625+x=700
x=75
$75 Deposit
I'm not sure what "the rate of change" is
sorry but i hope i helped
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