What is the value of the expression 4x - y when x = 3 and y = 1

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

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge