Which expression is equivalent to 3(5+7) ? * A: 15 + 7
B: 8 + 10
C: 3 + 12
D: 15 + 21

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.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00