Question

give correct answer with explanation be fast pls .​

Answer 1

$\huge\green{A}\orange{N}\red{S}\pink{W}{E}\blue{R}$

3. x+y=9

(x+y)²=9²

x²+y²+2xy=81

x²+y²+2(20)=81

x²+y²+40=81

x²+y²=41

4.50,000

5. I and IV quadrants

6. infinite solutions

FOLLOW AND MARK AS BRAINLIEST

Answer 2

Answer

41

Step-by-step explanation:

(x+y)^2 = (9)^2

= x^2 + y^2 + 2×x×y =81

= x^2 + y^2 + 2 × 20 = 81 (xy =20 given)

= x^2 + y^2 + 40 = 81

= x^2 + y^2 = 81 - 40

= x^2 + y^2 = 41 Ans