A box contains 10 red marbles, 9 green marbles and 5 blue marbles. If a marble is selected at random, what is the probability that it is not green?

Which question is a statistics question that anticipates variability? A) What is my shoe size? B) What is my parent's shoe size? C) What is my brother's shoe size? D) What is the shoe size of the students in my school?

What is the percent change from 72 to 90

What is the answer to (5+5) - 3+6

6•72,749,973,947,937=?

Scorpion Gulch Shelter is having a pumpkin sale for Halloween. The pumpkins will be displayed on a triangular region in the parking lot, with sides 45 ft, 75 ft, and 102 ft. Each pumpkin takes about 3 ft^2 of space.

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.