What is the mean of this

15, 16, 15, 13, 19, 20, 21

what is the answer?

A: 15

B: 16

C: 17

D: 18

Look at the function f (x) = x + 3. Which of the following describes the domain and range of the function and its inverse?

What is the answer to 4x+2y=6 and 3x-y=-8

How much will $1,000 amount to after three years if it is invested at 5% interest compounded annually? A. $1157.63 B. $1352.40 C. $1463.20 D. $1488.20

Order from least to greatest 5 1/2, 5.05, 5 5/9

Allison counted 56 cars parked in the lot. Eight parking spaces remained empty Plan, solve, and check to find the ratio of empty to full parking spaces.

Question 10 Unsaved The degree of the arc formed by a central angle is Question 10 options: 12 the measure of the angle. 2 times the measure of the angle. equal to the measure of the angle. has no relationship to the measure of the angle.

Chitchat wireless charges $0.30 per minute plus a monthly base fee. In septembermaggieised 120 minutesand her bill was $51. Write and solve and equiationto fing the cost if maggie used165 minutesin october

What is the GCF of the numbers 36 and 96

How do you use the vertical line test?

Tony's class needs more than $500 for the school dance. So far, they have raised $200. They plan to have a car wash, charging $8 a car, to raise more money.