Circle ALL of the expressions that are equivalent to 15 - 27. A) 3 x 9 - 3 x 5
B) 3(5 - 9)
C) 3 x 5 - 3 x 9
D) -3(5 + 9)
please help im stuck :(

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 representation has a constant of variation of -2.5

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?