A 3-inch, f/6 reflector has a focal length of:

2 inches

3 inches

6 inches

18 inches

Mani, James and, Isidro equally shared 1/2 of a pie. Which fraction of the whole pie did each of them receive? A) 1/6 B) 1/5 C) 2/3 D) 3/2

A six-sided die is loaded in such a way that the probability of each face turning up is proportional to the number of dots on that face. For example, a six is three times as probable as a two.

What is the answer to |-25|?

Mr. Anderson doctor has advised him to go on a diet he must reduce his caloric intake by 15% he currently eats 2800 calories per day. Calculate his new daily caloric intake rate in two different ways, using two different multipliers

And hey if you know that 20/100 is 13, then how do you find the amount of 80/100?

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.