Answer:
A: C = 15N
Step-by-step explanation:
30/2 = 15 (the cost of 1 class)
Answer:
C: 124
Step-by-step explanation:
If you look at the angle it has to be over 90 degrees so therefore your only option is C: 124.
Answer:

Step-by-step explanation:
1) Expand by distributing terms.

2) Collect like terms.

3) Simplify.

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Answer:
The answer is d
Step-by-step explanation: