Two more than four times a number is the same as 6 more than twice the number find the number

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

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