In the accompanying diagram of right triangle abc, b=40 centimeters, m< a=60 and m< c=90. find the number of centimeters in the lenght of side c

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

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?