A boat in still water is 32 mph. If the boat travels 72 miles upstream in the same time that it takes to travel 120 miles downstream, find the speed of the current.

Jonathan and Byron both have comic book collection the number of books in the collection form a ratio 4:9 of Jonathan's to Byrons if Byron has 20 more books than Jonathan how many books does Jonathan have

How many ways can three items be selected from a group of six items?

How many solutions are there to the equation below? 4 (x-5) = 4x-24

When seven is added to a certain number the result is the same as subtracting twice the number from sixteen what is the number. Show working

Cheryl drove 935 mile cansas city to austin and then shr drove 832 mile from austin to forth worth actual mile did cherly drive? how can u tell if your answer is reasonable

Carol has 800 ft of fencing to fence in a rectangular horse corral which is bordered by a barn on one side. find the dimensions that maximizes the area of the corral.

A chord can contain at most how many diameters

What is reference angle for 150 degrees

Which function is decreasing? A. Price of a house as a function of size B. Numer of soft drinks sold at a ballpark as a function of outdoor temperature C. The time it takes the ice to melt as a function of temperature. D.

Assume that you select 4 coins at random from 8 coins: 6 dimes and 2 quarters. what is the probability that all of the coins selected are dimes? enter your answer as a fraction