John has a bag of marbles. He removed one marble, recorded the color and then placed it back in the bag. He repeated this process several times and recorded his results in the table. Find the probability of drawing Blue. Write your answers in simplest form. (7.6i)

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

What is always true about a positive integer raised to a negative odd power?