Define a pythagorean triple what does that mean

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

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?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y