Answer:
y = x + 7
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c )
Given
3y - 3x = 21 ( add 3x to both sides )
3y = 3x + 21 ( divide all terms by 3 )
y = x + 7 ← in slope- intercept form
Answer 3 is (0, 5)
Answer 4 is in comments.
Answer:
-0.9
Step-by-step explanation:
-0.9 × 100 = -90