Using the Quadratic formula
your answer would be A and C
i think you answer would be b "omg all the b's xD" I MIGHT BE WRONG THO and if i am in suuuper sorry :/
Do you know What topic this is ?
Answer:
13
Step-by-step explanation:
First drop the line.
How many units is it from Point r to the x axis?
12.
How many units is it from Point r to the y axis?
5.
Now we can use the Pythagorean Theorem.

Answer:
charge for d days=d×75$
charge for k kilometers=k×65cents
total cost=75d$+k×0.65$
c=(75d+0.65k)$