Answer:
Option B. 
Step-by-step explanation:
we know that
The frequency is equal to the number of cycles divided by the time
Remember that
1 cycle = 1 full wave to repeat itself
In this problem
From o to 12 seconds ------> there are 2 cycles
therefore
The frequency is equal to

Step-by-step explanation:
- 7p-9= -22
- 8p=-22+9
- 8p= -13
- p=-13/7
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Answer:
$100 If your talking about dollars
Step-by-step explanation:
The answer is B. 5
6+2=8
3+5=8