On Roberto's shelf are: • 6 mystery books • 5 science books • 4 history books • 3 adventure books Roberto will randomly choose 1 book to read. What is the probability that he will choose an adventure book?

How to make 105% into a fraction?

A person goes to order a sandwich and finds that their are 3 types of bread, 5 types of meat, 4 types of cheese and 3 types of sauces. How many different sandwiches can be made if you must choose 1 type of bread, 1 meat, 1 cheese and 1 sauce?

The distance around a meter is 9619 ft. find the diameter of the crater. use 22/7 for pie

Aaron has $30. He wants to spend 2/5 of his money on comic books. How much does he want to spend?

A statistics class at wilmington college has 25 students of which 15 are math majors and 10 are business majors. the professor randomly selects five students to work together on a group project.

John needs to cut three strips of woods, 25.5 cm, 15.3cm and 9.25cm long. He has a strip that is 72 cm long. How long will leftover piece be after he cuts what he needs?

Which property should be used to solve this equation 4+x=13

a store has some sale on let supplies the price of each item is marked down 25% the store also offers a coupon for 5 off for when you check out write an expression that represents the final price after a customer uses the coupon

T increased by r the answer

to multiply a number by 12, Carter likes to multiply the number by 10 and then multiply it by 2 and add the product. Write an expression with parenthesis how carter would solve 12*16