Ms nelson had 5,280 craft sticks. she gave all of the craft sticks to her 22 students. each student received the same number of craft sticks. i need the answer to part b and c. i already did a and half of b

An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in