First you must add up all of the numbers. Then divide the sum by the number of students in the class. You will get 2.65 as your answer. Then round to the nearest number. Your final answer is 3.
Answer:
9/2
Step-by-step explanation:
f(x)=5-1/2
plug in 4
f=9/2
9/2
Yes it is a rational number
Answer:

The answer would be -2 you may look at my work to see how I solved it
Answer:
No, and this isn't the place to put an ad
Step-by-step explanation: