The answer is B. x = 65, y = 10.
The answer is D. 5 hours, due to the fact that there football field together, so adding there times they had done the football field individually, Tiana,3 hours, and Jacob 2 hours 2h+3h=5hours. hope i helped.
Answer:
−10a+9
Step-by-step explanation:
Just plug in either 10 or 4 for x, then solve and whatever one equals 10 and a common difference of 4 should be your answer