11. what is the exponential form of s*s*t*s*t*t*s*s*s*s? a. (75)(30) b. st3 c. (st) 10 d(st) 10 12. How many terms does x2y2z2-xyz2-x2yz2-x2y2z+0 have? A.5 b. 3 C, 4 d.6 13. What statement best defines a minuend? A. It is a number that is to be added to the minuend. B. It is a number that is to be subtracted by the minuend. C. It is number that is to be subtracted from the minuend. D. It is a number that is to be to subtracted by another number. 14. What is the additive inverse of the expression (-7a + 5)? A. -7a - 5 B. -7a + 5 C. 7a - 5 D. 7a + 5 15. What is the result when-4xy is subtracted by -8xy? A. -4xy B. -12xy C.4xy D. 12xy 16. What is the difference if (4a2 +5a - 6) is subtracted from (8a2-4a + 8). A. -4a2-9a +14 B. -4a2 + 9a +14 C. 4a2-9a +14 D. 4a + 9a - 14 17. Which is NOT a polynomial? A. 4x2 + 2x - 1 B. X3 - 1 C. y + 3/y D. y2 + 5y + 1 18. What is the product of (5x) and (-9x)? A. - 45x B. - 45x2 C. 45x D. 45x2 19. What is the result when you multiply (-3m2) to (2m2- 5m + 4)? A. 6m+ - 15m - 12m C. 6m:- 15m + 12m2 B. - 6m - 15m + 12m D. - 6m + 15m3 - 12mz 20. Linda has a rectangular garden that is 3x-5 feet by 2x+8 feet. She wants to put a fence around the perimeter of the garden. What is the perimeter? A.10x + 6 B. 5x + 13 C. 10x - 6 D. 5x - 13