The diameter of a circle is 4 cm. Which equation can be used to find its circumference?

C = pi times 2

C = pi times 4

C = StartFraction pi times 4 over 2 EndFraction

C = StartFraction pi times 4 over 4 EndFraction

Write a real world context for ratio of five to three

The function y=6+1.25x can be used to find the cost of joining an online music club and buying x songs. Which statement is true based on the graph of this situation? A. the y-intercept of the graph = the cost of each song B.

Which of the following statements about Pascal's Triangle are true? It is symmetrical. The first diagonal is all 1's. The second diagonal is the counting numbers. Any number in the triangle is the sum of the two numbers directly above it.

The formula below is used to convert a temperature in degrees celsius, C, to a temperature in degrees Fahrenheit, F F = 1.8C + 32 The high temperature in a mountain city was 15*C. What was the high temperature in degrees Fahrenheit?

Write two algebraic expressions, one with a quotient of x5 and one with a product of x5

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.