Answer:
2
Step-by-step explanation:
From the graph, we obtain the trigonometric function as:

The corresponding cosine function have equation.

This function is of the form: 
where
is the amplitude.
Therefore the amplitude is |2|=2
The third choice is correct
Answer:
90%
90% of the teas were caffeinated.
Step-by-step explanation:
Total teas: 63+7= 70
63/70 x 100/1= 90%
90% of the teas were caffeinated.
Answer:
c= 125/2
h= 3
/2
Step-by-step explanation:
Answer:
Infinite solution
Step-by-step explanation:
if you use distribute property on 3(x-5), it will equal to 3x-15.