• A. $16$
• B. $20$
• C. $48$
• D. $18$

Answer: Option D

Explanation:

• A. 9
• B. 10
• C. 12
• D. 16

Answer: Option C

Explanation:

• A. 18
• B. 16
• C. 14
• D. 22

Answer: Option A

Explanation:

• A. $a^2$
• B. $a^{-1}$
• C. $a^{-2}$
• D. $a$

Answer: Option D

Explanation:

• A. $\left(a^2+2a+2\right)\left(a^2+2a-2\right)$
• B. $\left(a^2+2a+2\right)\left(a^2-2a+2\right)$
• C. $\left(a^2-2a+2\right)\left(a^2+2a-2\right)$
• D. $\left(a^2-2a-2\right)\left(a^2-2a+2\right)$

Answer: Option B

Explanation:

• A. $2$
• B. $-3$
• C. $9$
• D. $3$

Answer: Option D

Explanation:

• A. $\left(x+3\right)\left(2x-5\right)$
• B. $\left(x-3\right)\left(2x-5\right)$
• C. $\left(x-3\right)\left(2x+5\right)$
• D. $\left(x+3\right)\left(2x+5\right)$

Answer: Option A

Explanation:

• A. 7
• B. 9
• C. 11
• D. 13

Answer: Option C

Explanation:

• A. 6
• B. 7
• C. -6
• D. -7

Answer: Option A

Explanation:

• A. $0$
• B. $1$
• C. $x^2-y^2$
• D. $x+y$

Answer: Option B

Explanation:

• A. $\left(x+y\right)\left(x+y\right)$
• B. $\left(x+y\right)\left(x-y\right)$
• C. $\left(x-y\right)\left(x-y\right)$
• D. $\left(y+x\right)\left(y-x\right)$

Answer: Option B

Explanation:

• A. $3\sqrt{3}$
• B. $18$
• C. $9$
• D. $0$

Answer: Option D

Explanation:

• A. $3$
• B. $1$
• C. $-1$
• D. $5$

Answer: Option C

Explanation:

• A. $1$
• B. $2$
• C. $3$
• D. $0$

Answer: Option A

Explanation:

• A. $0$
• B. $1$
• C. $2$
• D. $3$

Answer: Option C

Explanation: