Which equation can be used to find the unknown length, a, in this triangle? A right triangle has a side with length of 15 meters and hypotenuse with length 17 meters. The other side is labeled a. a squared + 15 squared = 17 squared 15 squared + 17 squared = a squared a squared + 15 = 17 squared a + 15 squared = 17 squared

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .