Wayne has three fewer $50-notes than $10-notes. The total value of the notes is $330. How many of each note does Wayne have?​

Measures of the angle of r, 31 s (x+4) t (3x+9)

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

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