Solve the equation sin(xº - 20") = cos(42°) for x, where 0 < x < 90.

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Which expression is not a polynomial?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible