The amount of money in malik's bank account 3 years ago was $1,000. this year his balance is $1,900

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?