The area of the larger circle is 36 in2. find the circumference of one of the smaller circles.
a. 3 in.
b. 6 in.
c. 9 in.
d. 18 in.

Which of the binomials below is a factor of this trinominal? x^2-13+30

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.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.