Either enter an exact answer in terms of a or use 3.14 for a and round your final answer to the nearest hundredth.
units3

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 florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Evaluate cos2θ for cosθ = square root of 3/2

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?