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which expression is equal to 4y?

y + 3
y^2 + y^2
3y + 1
y + y + y + y

If the measure of xyz is 81 what is the measure of yz

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

Find two consexutive odd integers such that the sum of their square is 650