Which best proves why the expressions 4 (x + 3) + 2x and 6 (x + 2) must be equivalent expressions?

When x = 3, both expressions have a value of 30.
When x = 5, both expressions have a value of 42.
When x = 1, both expressions have a value of 18, and when , both expressions have a value of 60.
When x = 2, both expressions have a value of 15, and when , both expressions have a value of 39.

Arandom sample of size n 64 is taken from a population with population proportion p 0.38 describe the sampling distribution of p. draw a graph of this probability distribution with its a. mean and standard deviation. b. what is the probability that the sample proportion is greater than 0.5? what is the probability that the sample proportion is less than 0.3? d. what is the probability that the sample proportion is between 0.35 and 0.45?