In January, the amount of snowfall was 2 3/5 feet. In February, the amount of snowfall was 3 1/6 feet. What was the amount of snowfall in the two months combined? Write your answer as a mixed number in simplest form.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Find the area of an equilateral triangle with a side of 6 inches

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6