O y = x + 1 y = -x + 21
i really need help on this it has two boxes under both Equation what do I put

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?