Amachine paints 340 toy boats in 45 minutes. which expression equals the unit rate per hour? a: 3/4/340. b: 45/350 c: 340/3/4 d: 340/45

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

What is the absolute value of the complex number -4-sqrt2i

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?