Christopher bought a new watch at the store when they were having a 20% percent off sale. if the regular price of the watch was $48 how much did christopher pay with the discount?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

If the value of cos330°is√3/2 then find cos 165°.

What is the solution of the equation? 35√(x+2)3+3=27