Determine the signs of the trigonometric functions of an angle in standard position with the given measure.

-15

What numbers are included in the set of integers? what numbers are not included?

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?