1. A family consists of 8 members: 2 grandparents, 1 parent, 3 sons and 2 daughters. The family is lining up to take a family picture. a) Algebraically determine the number of line ups possible if the grandparents must be on the two ends.

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