Caculate the number in the middle of 12 and 17

A car rental company charges $75.00 rental fee plus $30.00 per day. Selena paid $225.00 to rent car

1. If 5 +2=7 - 7, then x=?

Leonard divides 70 by 8. Between what two whole numbers is his answer?

Last summer at Camp okeefenokee the ratio of the number of a boy campers to the number of girl campers with 8:7. If there were a total of 195 campers, how many boy campers were there? how many girl campers?

One fourth of a number decreased by 10, is - 50. Find the number

What is the decimal 4.588 rounded to the nearest tenth

The second group of trainee astronauts are all sitting around the table, waiting to start their first day of training. From the clues given below, can work out where everyone sits? Note: Seat 1 is next to Seat 2 and Seat 8, etc.

How many triangles can be constructed with angle measurements 90°,45°,50° ?

What is the answer to 7 y - 1 equals 5 y + 9

Wat is the sign of the product of three integers with the same positive sign