The best way to describe lines y= x+3 and -x+y=7

Parallel lines

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = x + 3 ← is in slope- intercept form

with slope m = 1

- x + y = 7 ( add x to both sides )

y = x + 7 ← in slope- intercept form

with slope m = 1

Parallel lines have equal slopes, thus the lines are parallel

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3