Which of these best describes d, the diameter of a circle?

A) the ratio of the circumference of the circle to Pi

B) exactly 3.14

C) the ratio of the diameter of a circle to Pi

D) the square of the circumference of a circle

Which numbers are less than - 8/3? Select all that apply.

Solve for e 7 (2e-1) - 3=6+6e du

Markiya deposited $500 in a savings account. The annual interest rate is 2%, and the interest is compounded monthly. Write a compound interest function to model this situation. Then find the balance in Markiya's account after 4 years.

In an obtuse triangle, how many altitudes fall inside and outside the triangle?

The table shows the approximate height of an object x seconds after the object was dropped. The function h (x) = - 16x2 + 100 models the data in the table. For which value of x would this model make the least sense to use? - 2.75 0.25 1.75 2.25

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.