Given the formula found in part I, An=505⋅0.9n, estimate the number of businesses in 2020.

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.