A fishing hook is at an elevation of −12 m relative to sea level. Half an hour later, the fishing hook's elevation increases by 12 m. Which equation represents this situation?

Nine more than four times a number is the same as one less than twice the number. find the number?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e