What is the area of a circle with radius of 7cm using 3.14 for pi and round to he nearest tenth plz hurry

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

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.