Find the missing length in the equilateral triangle:

Which of the choices shown could be used to prove that aacp=abcp ?

Prove that 16^4-2^13-4^5 is divisible by 11.

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?