1) Whats the formula for the Square of a Sum? 2) How do you use the formula for the product of a sum and difference?

Step-by-step explanation:

(x+y) = x² +2xy + y²

(x+y)(x-y) = x² - y²

395.84

step-by-step explanation:

2πrh+2πr²

2 (pie)(radius)(height)+2(pie)(radius)^2

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above