13. The roof of a clock tower is a pentagonal pyramid. Each side of the base is 7 ft long. The sian
height is 9 ft. What is the area of the roof?

What were mkh company's cash flows from (for) operating activities in 20x1? $(180,300) $233,100 $268,200 $279,400?

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.