Answer:
15.5 miles per gallon
Step-by-step explanation:
31/2=15.5 so its 15.5 miles per gallon or 31 miles with 2 gallons
42/6 is 7 so do 7 * 5 which is 35 so he sold 35 tickets
Answer:
or 
Step-by-step explanation:
You need to complete the square before you can take the square root of both sides.

Subtract 10 from both sides.

To complete the square, you need to add the square of half of the x-term coefficient to both sides.
The x-term coefficient is 7. Half of that is 7/2. Square it to get 49/4. Now we add 49/4 to both sides of the equation.



Now we use the square root property, if
, then



or
or 
or 
I don’t see the problems you want me to solve. Sorry