1. C
2. B,D
3.
a) 7a
b) 60t + 17
c) 100p + 3
d) 100y + 7
4.
x 6 8,5 -3
x-5 1 3,5 -8
5.
a) 4*8 + 7 = 32 + 7 = 39
b) 5*(-4) + 10 = -20 + 10 = -10
c) 6(3-0) = 6*3 - 18
d) 9 - 8* = 9-2 = 7
6. A
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1. C
2. B,D
3.
a) 7a
b) 60t + 17
c) 100p + 3
d) 100y + 7
4.
x 6 8,5 -3
x-5 1 3,5 -8
5.
a) 4*8 + 7 = 32 + 7 = 39
b) 5*(-4) + 10 = -20 + 10 = -10
c) 6(3-0) = 6*3 - 18
d) 9 - 8* = 9-2 = 7
6. A