Write the correct answer on the blank before each number. If rhe answer is NOT a,b,c the write the correct answer on the blank D.

11. How many terms are there in 2x + 3xy + 4?
a. 1
b.2.
c.3
d.
12. If a= 2 and b= -3, what is the value of 5a - 4b?
a. -2
b. 2
C. 22
d.
13. What is the degree of 5a2-3abc +8d?
a. 1
b.2
c.3
d.
14. What is the degree of 5?
a. 0
b. 1
C. 5
d.
15. Which is the equivalent of (2xy)4 ?
a. 8x y12
b. 6xSy?
c. 16x4y12
d.
16. Which is the product of (642) - (-3ab)?
a. -18 a'b
b.-18a6b5
c. 3a5b6
D.____
18. What is 7x2-y+41x3+9y) when simplified?
A. 4x2 +7X2-8y B. 11x5-8y
C. 4x3+7x2+10y D.____
19. Which is the sum of (x2-4x +5) and (5x2+ 8x-1)?
A. 6X2 +12x +4 B. 6X2 +12x +6
C. 6x2 +1 4x +4 D.____
20. Which is the difference when (2x2 - 4x +1) is subtracted from (3x2 +5x-3)?
a. X2 +9x - 4
b. -X2-9x +4
C.X2+x-2
D._____​