Mr. Arnold is saving for a trip to Europe. He has saved $8200.00. The actual cost of the trip was $12500.00. Find the percent of error. Round to the nearest percent.

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Sum is 17 and their difference is 3

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?