Answer: The correct answer is Choice D.
Step-by-step explanation: The correct answer is choice D.
Y = the total amount money that Kelly earned
X = the cost of each manicure
So, in choice D, the total amount that Kelly earned equals 12 times the cost of the manicure plus the 60 in tips that she received for the day.
Answer:

Step-by-step explanation:
Given



Required
Solve for x
Since B is in between both points, then:

This gives


Divide by 3

ANSWER
3) b
EXPLANATION
Given that:

and

Recall that the sine and cosine functions are equal for complementary angles.
This implies that,

