The sum of the first 65 odd, positive integers is?
i know the answer is 4225, but i don't know how to solve.

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?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

One positive number is 9 more than twice another. if their product is 95, find the numbers