What is the area of a regular hexagon with a side length of 10 inches and an apothem length of 8 inches? a. 120 square inches b. 240 square inches c. 250 square inches d. 280 square inches

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?