Evaluate tan(a−b) given that cosa= 4/5 with 0

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.

Consider the graph of the exponential function y=3(2)×

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles