The first answer is 40 second 65 third 56 and then fourth 90
Solve the equation for x by find the A , B , C of the quadratic then applying the quadratic formula
Answer:
well by looking at it , it would be for a.
The amount of pizza Mark would have is

Find the common denominators first. 2/12 + 3/12 = 5/12. Two slices of the 6 slice pizza is 1/3 or 4/12.