what is 14b+3a=91? i need to find the values of a and b

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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?

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.