A substance decays 35% each day. After 8 days, there are 8 milligrams of the substance remaining. How many milligrams were there initially?

Mr. Krogman usually prices his umbrellas for $8 each. However, on rainy days he increases them by 75%. How much does he charge for an umbrella on a rainy day?

Two number cubes are rolled. What is the probability that the sum of the numbers rolled is either 3 or 9?. A. 1/6. B. 1/13. C. 1/18. D. 1/162

Evaluate - x + ( - 7.5) for x = 6.3.

What is the quotient of 120 divided by 4

Line g has a slope of 7/9. Line h is perpendicular to g. What is the slope of line h?

12mn square - 18m square n square

Mrs. amerin made a cylindar pencil holder it has a height of 5 inches and a diameter of 3 inches how much material will she need to make her pencil holder

What is (5) over ten squared

Are all congruent polygons similar?

Leia is operating a digital spinner game in which a player spins an arrow and is given a prize based on where the spinner lands. Leia can program the probability of each of the outcomes.