An airline is interested in determining the proportion of its customers who are flying for reasons of business. if the airline wants to be 90% confident that its estimate will be correct to within 2 percent (that is, the margin of error is 2%), how large a random sample should it select?

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

How do you solve a question like this?

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)