Answer:
AD = 1 3/4y + 5/8x - 3
Step-by-step explanation:
AD = 1/4x + 2y + 3 - 1/4y + 3/8x - 6
combine like terms:
AD = 1 3/4y + 5/8x - 3
The value of a is between 0 and 1.
Radius is half of the diameter so the radius of 4 is 2
Its 6 I think hope this helps