Nola purchased2.5 lb of cheese for $10.50 her mother purchased 3 pounds of the same cheesefor $12.60 the cost of she's varies directly with the number of pounds purchased how much does one pound of cheese the cost?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

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

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12