The sun’s ray strike the ground at 55, 21 m from the base of the tree. What is the height of the tree?

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)