PLEAS HEL. PLEASE PLEASE PLEASE. Please provide answers for both a and b WITH AN EXPLANATION...THANK YOU SOO MUCHHH 16. State the degree of each function and whether each is linear, quadratic or neither.

a) f(x)=(x-2)(x+2)

b) f(x)= 3(x + 2)^2 – 3x^2

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.