Sam earns $50.50 for each lawn he mows. in september he moves 8 lawns, in october he moved 6 lawnes, and in november he mowed 9 lawns. ho much moeny did he earn in those 3 months
a.$959.50
b.$1,060.50
c.$1,161.50
d.$1,262.50

How can you tell when x and y are not directly proportional?

Combine like terms to make a simpler expression 3z+z

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.