Anumber added to 12 and then subtracted by 18 equals 26. what is the number

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?

Which container holds more,a half gallon milk jug or a 2 liter juice bottle