Answer:
b. 9
Step-by-step explanation:
36+97=133
80+44=124
133-124=9
After one week it will be a total decrease of 175 milligrams
Answer:
C
Step-by-step explanation:
-5.5-11.2
change the subtraction to addition
5.5+11.2= 16.7
The answer is $17.75, though usually the taxi company will pay for gas that the driver uses.
<h3>
Answer: 
</h3>
Explanation:
The identity we'll use is cos(-x) = cos(x) for any value of x.
So cos(-150) = cos(150).
Then locate the angle 150 on the unit circle. The terminal point is 
The x coordinate of this terminal point is the value of cos(150).