Pls hurry For what value of the variable is the value of the expression:
8-y two times greater than the value of the expression 7+y?

Answer this question, only if you know the answer. 30 points and brainliest!

Acylinder has volume 45π and radius 3. what is it’s height?

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.