Katie has 8 black marbles, 12 clear marbles, and 10 blue marbles in a bag. If she picks one at random, what is the probability that she will pick a black marble? (Enter your answer as a fraction in its reduced form.)

Aria drank 500 milliliters of water after her run. Her best friend, Andrea, drank 0.75 liter of water. Who drank more?

Bella bought 3 bags of popcorn for $8.25 and 2 sodas for $4.40 at the movies last week. Last month, Bella was at the movies with her friends and bought 3 bags of popcorn for $7.50 and 2 sodas for $3.80. What was the percent increase?

Select the pair of probabilities that does not represent probabilities of complementary events. a. c. 0.65, 0.55 b. d. 0.875, 0.125

Bonnie made 7 pies. There were 6 slices in each apple pie and 7 slices in each peach pie. If bonnie made 44 slices of pie in total, how many of each pie did she make?

Find inverse of 1/3x^2 + 1

Ashley can ride her bicycle 15 miles in 2 hours. There are 60 minutes in 1 hour, and there are 1,760 yards in 1 mile. How many yards does Ashley travel?

Ellen's new balance on her credit card statement was 332.91. how much is the minimum payment if it must be 15 percent if the balance? 70.32 49.94 52.29

What is 33 divided 58?

Round 951194 to the nearest hundred

Is y=10-x a function?