You are given a piece of cardboard and asked to cut out a square of area (169y2 + 260y + 100) cm2. the side length of the square is ax + b cm, where a and b are whole numbers. find an expression for the perimeter of the square. find the perimeter when y = 10 cm.

Find the cosine function that is represented in the graph.

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 roots of the polynomial function f(x) = x^3 + 2x^2 + x