I need help with this question it's for a important grade so pls really help.​

In trapezoid bath, ah=19.7 and et=16.1. identify be.

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

Factor the monomial completely 42a3b3