Find the value of the coefficient a in the equation ax+2y=8, if the solution to the equation is the pair x=2 and y=1. HELP PLS

What is the relationship between all triangles that can be drawn given the same three angles

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

With finding limits of multi variable !