Answer is A.
rate = 10/1 = 10ft and passing origin (0,0)
Answer: x = 6.56
Step-by-step explanation: -0.4x - 0.5 + x = 3.63
-0.4x^2 - 0.5 = 3.63
-0.4x^2 = 4.13
0.63x = 4.13
x = 6.56
You set both expressions equal to each other, then solve for x. Your answer will be x=12
