Amy rolls a number cube ten times and gets 3 four times! if she rolls the number cube 240 times, how many times should she get a 3 (hint: should her results be used, or the theoretical 20 40 80 96

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