Answer:
Since x=−3 is a vertical line, the slope is undefined.
Step-by-step explanation:
10.50/5=2.10
2.10*4=8.40
She used to earn $8.50/hr
y = 3x - 1
x - y = -9
Subs y in second equation.
x - (3x - 1) = -9
x - 3x + 1 = -9
-2x = -9 - 1
-2x = -10
x = -10/-2
x = 5
Subs x
y = 3x - 1
y = 3.5 - 1
y = 15 - 1
y = 14
Answer: the answer has to be number 3if I’m not mistaking
Step-by-step explanation:
I took this test last year
