Larry saves 15% of his annual salary for retirement. this year his salary was $2,000 more than last year, and he saved 3,300. what is his salary last year?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

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

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.