Let
x--------> the number of months
y-------> represents the balance, in dollars, of a bank account
we know that
y=-50x+100
the rate of change is equal to the slope of the line
so

therefore
<u>the answer is</u>
the rate of change is 
Answer:
135
Step-by-step explanation:
angle APB is an alternate interior angle to DBC and line DB is supplementary
APD=180-45=135
Answer:
The answer is 13.5
Step-by-step explanation:
Answer:
total is 16.50
Step-by-step explanation:
add 8.50+8.00
I think b not sure it’s the only one that makes sense