in a certain chemical, the ratio of zinc to copper id 3 to 16. A jar of the chemical contains 576 gram of copper. How many grams if zinc does it contain

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.

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?