What is 5(x + 3) = 9x+30

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?

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

Asequence is a function whose is the set of natural numbers