8 + 3b= -13
-8. -8
3b= -21
Divide by 3
B= -7
The last graph represents a system with no solutions. The solution to a system of equations is the point at which both lines intersect. Because the equations in the last graph don't intersect and are parallel, it has no solutions. Hope this helps :))
Answer:
The equation is 
Step-by-step explanation:
Linear function:
A linear function for the amount of money in an account after t days is given by:

In which A(0) is the initial value and m is the daily cost.
Your EZ Pass account begins with $80. It costs you $4/day.
This means that 
So


Answer:
72
Step-by-step explanation:
because if you add 18, 4 times or 18 x 4 it will give your 72
hope this helps