Lisa is 8 centimeters taller than her friend lan. lan is 12 centimeters taller than Jim. Every month, their heights increase by 2 centimeters. In 6 months, the sum of lan's and Jim's heights will be 160 centimeters
more than Lisa's height. How tall is lan now? Let h be lan's height today in centimeters.
(h +12)+(
) + 12 =(
) + 12 + 160
lan is
centimeters tall now.
Explain Concept 4

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

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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.