A square plywood platform has a perimeter which is 9 times the length of a side, decreased by 30. Find the length or a side.

What are correct trigonometric ratios that could be used to determine the length of ln

How to determine whether two known pairs of points are on the same line.

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright