Given: x = r + 2, y = 2r - 9, and z = r 2 + 17r + 30.

simplify [x · y - z] ÷ x.

-r - 24
r - 24
2r2 - 6r - 33
2r2 + 6r + 33

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

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 unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.