The first row i️n the auditorium has 42 seats. each row after the first has 3 more seats than the row before i️t a: find the number of seats i️n row 25 b: which row had 90 seats ?

What does x = in this equation x+3+2x=x+5

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

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.