Which algebraic expression is a polynomial with a degree of 5?
O 3x5 + 8x^y2 – 9x3y3 - 6y5
2xy + 4x²y3 - 6x3y2 – 7x4
8y + y5 - 5xy3 + 7x?y2 – x3y - 6x4
+6xy5 + 5x²y3 – xºy2 + 2x²y3 – 3xy5

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

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.