What is the answer to 1+2(3+4) divided by (5•6)

Solve the system of equations. y= 2x y= x^2 - 15

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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.