Just need to solve number 8 with quadratic formula

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

How many lines can be drawn through points j and k? 0 1 2 3

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.