Answer:30
Step-by-step explanation:
Answer:
the think the answer is b.
PQ*PQ=PQ²=(5x+16)²=25x²+160x+256
x₁ = - 5, x₂ = 5
x^2 + 3 = 28
x^2 = 28 - 3
x^2 = 25
x = ± 5
x = - 5
x = 5
11
9+9+11+15 = 44
44/4 = 11!
b the center of the circle. pls madk brainliest.