What is the sum of the rational expression below 3x/x+9 + x/x-4  need answer quick will mark brainliest

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.