Which algebraic expression is a polynomial? 3m²n
m + 1
n
n
2 mn
m + 4m
5
4
4m 3mn+ V8
n2
7mn + 3m
5n
4
2

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

‼️‼️‼️10 points‼️‼️‼️ me it’s important‼️‼️‼️‼️‼️

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!