A circle graph shows a survey of the favorite ice cream flavors of all the students at Park School. Vanilla is the favorite flavor of 28 students. The central angle measures for vanilla is 72 degrees in the circle graph. How many students are at Park School?

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

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y