An advertising agency wants to analyze the ages of typical moviegoers in a suburban area. There are five theaters in the area. In general, these theaters show very different films and do not have similar audiences.

What is the appropriate sampling method for the following scenario

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Does the point (1, sqrt 7) lie on circle shown.

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase