What value of a makes the equation true 30/45=6/a

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle

For the word below, click on the drop-down arrows to select the root and its meaning. version