2. Choose the next best step to solve the system of equations below. y = -1.
-3x + 6y = -3
A. Solve for x
B. Substitute y=-1 into -3x+6y=-3
C. Distribute
D. Combine Like Terms

The perimeter of a square is80-64y units. which expression can be used to show the side length of one side of the square?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?