Answer:
4
Step-by-step explanation:
Z is greater than or equal to 7.
you would put a 7 near the front of the number line and put a colored in circle above it. then you would draw a line from the circle to the other end of the line
6.5 = - 1/2(5) + 9
6.5 = - 2.5 + 9 which is the same as 6.5 = 9 - 2.5
6.5 = 6.5
So yes, this ordered pair IS a solution.
Answer:
3x+9 < - 42
Step-by-step explanation: