Montel loaned $6800 to a friend for 13 months at an annual rate of 7.7% simple interest. How much interest did the borrower owe?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?