Answer: 800.
Step-by-step explanation: Round them both to the nearest ten. That is 40x20.
A because when you distribute you get 3.5t + 21 = 7. Then subtract 21 from both sides to get 3.5t = -14. Then divide both sides by 3.5t to get -4.
Answer:
(-2,1) (-2,2) (-1,1) (-1,2)
Step-by-step explanation: