A theater has 32 seats in the first row, 34 seats in the second row, 36 seats in the third row, and so on. How many seats are there in row 20?
There are
seats in row 20.

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Can someone me out here and the tell me the greatest common factor