Divide by 21 to put the equation in intercept form.
x/(21/9) + y/(-21/7) = 1
x/(7/3) + y/(-3) = 1
The x-intercept is (7/3, 0)
The y-intercept is (0, -3)
The 3rd choice is appropriate.
Step-by-step explanation:
horizontal line I believe
Answer:
7*7*7
Step-by-step explanation:
Answer: True
Step-by-step explanation: I made a picture and it adds up: