Is cos 47 degrees equal to cos 47 degrees, sin 43 degrees, sin 47 degrees, or cos 43 degrees

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

X-10/4 when x = –18 a 7 b –2 c –7 d 2