Answer:
PA = 8
Step-by-step explanation:
formula is C^2 = E * (A + E)
C^2 = 4 * (12 + 4)
C^2 = 64

c = 8
C = PA = 8
Answer:
false
Step-by-step explanation:
it fails the vertical line test, (x cannot be equal to 2 or more y values or its not a function)