Answer:
20 - 6c
Step-by-step explanation:
because that shows that 6c is the cost of them and you'd take the cost of them away from how much he payed i guess
55 miles = 1 hour
145 miles = 1/55 x 145 = 2.64 hours = 158 mins
we have

To find the zeros equate the function to zero

Group terms that contain the same variable, and move the constant to the opposite side of the equation

Factor the leading coefficient

Complete the square. Remember to balance the equation by adding the same constants to each side


Rewrite as perfect squares


square root both sides




therefore
the answer is
The zeros of the quadratic function are
and 