7. the hypotenuse of a right triangle is 26 feet long. one leg of the triangle is 14 feet longer than the other leg. find the lengths of the legs of the triangle.
a. leg = 15 feet, leg = 29 feet
b. leg = 5 feet, leg = 19 feet
c. leg = 10 feet, leg = 24 feet
d. leg = 11 feet, leg = 25 feet

13. use the discriminant to determine how many real number solutions exist for the quadratic equation –4j2 + 3j – 28 = 0.

a. 2
b. 3
c. 0
d. 1

15. the length of a rectangle is 2 meters more than its width. the area of the rectangle is 80 square meters. what is the length and width of the rectangle?

a. length = 20 meters, width = 4 meters
b. length = 10 meters, width = 8 meters
c. length = 14 meters, width = 12 meters
d. length = 8 meters, width = 6 meters

19. the width of a rectangle is 3 inches less than its length. the area of the rectangle is 340 square inches. what are the length and width of the rectangle?

a. length = 20 inches, width = 17 inches
b. length = 17 inches, width = 14 inches
c. length = 34 inches, width = 10 inches
d. length = 10 inches, width = 7 inches