Ttakes franklin 14 hours to make a 200-square-foot cement patio. it takes scott 10 hours to make the same size patio. which equation can be used to find x, the number of hours it would take franklin and scott to make the patio together?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?