Its 1/7 because parallel lines have the same slope
Answer:

Step-by-step explanation:

substitute (1) to (2):
add x to both sides

subtract 5 from both sides


substitute the values of x to (2):

Step-by-step explanation:
102*100=10200
10200÷126=80.95
So the third one is correct
Answer:
y=3x+17
Step-by-step explanation:
Slope formula y2-y1/x2-x1=m
y=3x+b
Find b (y-intercept), enter the given coordinates (-3, 8)
8=3(-3)+b
8=-9+b
b=17
y=3x+17
Hope this helps! Please mark brainliest :)
Answer:
10%
Step-by-step explanation:
raises $50 from $500 500/50= 10=10%