The value of x is 12 or 32
In order to find the average you have to add up all the data values and then find the sum of the data values.

So on average he ran about 82.5 miles.
Answer:
a.$138
b.$197
Step-by-step explanation:
(/=division)
a.415/30=138
b.138/7=197
Hope I helped :D
Answer:
29
Step-by-step explanation:
-2x+4+3y-5x-2y
Combine like terms
-7x+1y+4
evaluate
-7(-3) 1(4) 4
Solve
21+4+4
29