From the top of a fire tower a forest ranger sees his partner on the ground at an angle of depression of 40. if the tower is 45ft in height how far is the partner from the base of the tower

1. what is the measure of ∠abc? what is the measure of ∠abd?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

If 25% of y is 30, what is 60% of y?