Fk(x) = 5x – 6, which expression is equivalent to (k + k)(4)? 5(4 + 4) – 6 5(5(4) – 6) – 6 54 – 6 + 54 – 6 5(4) – 6 + 5(4) – 6

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)

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.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.