Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Given cos x = -1/5 and x is the third quadrant, match the trigonometric ratios with their respective values.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters