What is the average of −
2
,

5
,

3
,
−
4
,

8
?

≈   4 ,  86

Step-by-step explanation:

Explanation:

If you want to find the average of a set of numbers, you have to add up all the numbers and divide by how many numbers there are in your set.

For example if you want to find the average between  

4

,

5

,

6

,

you will have to add up  

4

,

5

,

6

=

15

and divide by  

3

, since you have 3 numbers.

You have 7 numbers, that are  

8

,

7

,

7

,

5

,

3

,

2

,

2

The sum of them are 34

34

7

≈

4.86

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168