Which of the following expressions represents the algebraic expression below? Captionless Image
2 times a number n added to 7
7 more than half of n
1 times a number n plus 7 divided by 2

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

What’s -11-33k and factor each expression completely

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?