Answer:
y=x-2.5
Step-by-step explanation:
If it is perpendicular to a, just like b, it has the same slope, but, it has a y-intercept of 2.5, unlike b, which has a y-intercept of 1
Lets make the graph of our systems of equations:
The blue line correspond to the equation x-y=3 and the red one correspond to 7x-y=-3. The lines intersect at point (-1,-4), then, the solution of the system is (-1,-4).
If you're using the app, try seeing this answer through your browser: brainly.com/question/2774989________________
Find the multiplicative inverse of

________
The inverse multiplicative of

is


________
For this question,

So,


I hope this helps. =)
Answer:
I think it's a c and d sorry if I'm wrong
Answer:
36
Step-by-step explanation:
42-6=36