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?

During a tunnel construction project, engineers used explosives to excavate partway into a mountain. But due to time constraints and environmental concerns, they later introduced a tunnel boring machine (TBM) to excavate the rest of the tunnel.

64 movie tickets are sold. 5/8 of the tickets were for adult admission. How many adult admission tickets were sold? 24 tickets 52 tickets 40 tickets 320 tickets

When you multiply two mix numbers will the product always be greater than one

A jar contains 44 4 4 red marbles, 44 4 4 green marbles, and 55 5 5 blue marbles. If we choose a marble, then another marble without putting the first one back in the jar, what is the probability that the first marble will be blue and the second

jennifer is saving money to buy a bike. the bike cost $252. She has 119 saved, each week she adds $19 to her savings. how long will it take her to save enough money to buy the bike?

The cost of a camp is $300 for the first week and $125 for each week beyond the first. The total cost can be modeled by the expression 300 + 125 (x - 1). What does (x - 1) represent?

On the first day of the fiscal year, a company issues $65,000, 6%, five-year installment notes that have annual payments of $15,431. The first note payment consists of $3,900 of interest and $11,531 of principal repayment. a.

Which set of side lengths could be used to form a right triangle?

What's the greatest common factors for 24 and12

john is 2 years more than twice as old as david. the sum of their age is 14, find the age of each child