Answer:
im pretty sure its 27.
Step-by-step explanation:
if g(x) = 20 then the new problem is 20=x-7
20=x-7 . add 7 to both sides
+7=+7 . +7 cancels out the -7
27=x . <<<answer
I thing que answer is false
Answer: 
Step-by-step explanation:
The distances must be expressed in the same uni.
Let's express the distance in meters.
We know that Dory lives 2.5 miles from school.
Since:

The distance in kilometers is:

Since 
The distance in meters is:

Jim lives 3.2 kilometers from school. The distance in meters is:

Chris lives 3,000 yards from school.
Since:

The distance in meters is:

Therefore, the order of the students from closest to farthest from school is:

Answer:
50 tickts
Step-by-step explanation:
We want to spread 1,000 tickets equally over 20 concerts. This calls for division
1000/20=50
50 tickets are sold each concert