I think the answer is 3/5
Answer:

Step-by-step explanation:

Adding 2a to both sides

Taking sqrt on both sides

Answer:
x is infinite
Step-by-step explanation:
x is a function so
if y=f:x
therefore

Answer:
1. D
2. AE (with a line above the 2 letters)
3. AC (with an arrowpointing to the right above the 2 letters)
4. B, A, and C
Answer:
28.27cm²
Step-by-step explanation:
formula:
A=πr²
d = 2r
Solving for A
A=1/4π d² = 1/4 · π · 6² ≈ 28.27433cm²
rounded: 28.27cm²
hope this helped!