Select the correct answer. Katrina is building a deck. She cuts 3 lengths of wood from a 72-inch board. The first length is inches. The second length is inches. And the third length is inches. How much of the original board remains after Katrina makes her cuts? A. B. C. D.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Can you me find the slope! (30 points)

Among the most famous of all meteor showers are the perseids, which occur each year in early august. in some areas the frequency of visible perseids can be as high as 40 per hour. given that such sightings are poisson events, calculate the probability that an observer who has just seen a meteor will have to wait at least five minutes before seeing another.