A tree casts a shadow that is 175 feet long. If the angle of elevation from the end of the
shadow looking to the top of the tree is 30
degrees, how tall is the tree to the nearest
hundredth? If the tree begins to fall and your
car is parked 90 feet away from the tree, would
you have to move your car?

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?