The radius of a circle is 5 inches. 1. What is the diameter of the circle?

2. What is the circumference of the circle? (Show your work)

3. What is the area of the circle? (Show your work)

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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.

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.