Which expression result in a rational number? select all that apply. a = √3 b = 2√3 c= √25 d= √16 choices - a+b - c+d - a+d - a * d - b * d - c * d - a * a

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

What are the values of each variable in the diagram below?

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?