12.Simplify: 3+4 - 8x2 +(4+2) =
b. 8
d. -17
13. Arrange from least to greatest: 5, 3, 7, 0-2,-1, -7
a. -1, -2, -7, 0, 3, 5, 7 b. 3, 5, 7, 0,-1, -2, -7
c. -7, -2, -1, 0, 3, 5, 7 d. 0, 3, 5, 7, -1, -2, -7
14. Multiply: 4x(-3)
b. 1
c.-1
d. -12
15. Divide: (-6)+(-3)
b.-1
C.-3
d.2
a. -2​