Find the first four terms of the sequence, an = 4 − 2n a1 = 4 − 2( ) = a2 = 4 − 2( ) = a3 = 4 − 2( ) = a4 = 4 − 2( ) =

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