Ciara buys 7 lb of strawberries for $5.81. How much would she spend if she wanted 15 lb of strawberries?

What are the domain and range of the function f(x)=2^x+1

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places