Check my answers please? 1. What missing number would complete the factorization?
k^2 + 5k + 6 = (k + 2)(k + □)

A. 3 ***

B. 6

C. 12

D. 4

2. What missing number would complete the factorization?
x^2 - 7x + 10 = (x - 5)(x - □)

A. 1

B. 2 ***

C. 4

D. 5

3. What missing number would complete the factorization?
v^3 + 12v + 20 = (v + 10)(v + □)

A. 10

B. 20

C. 4

D. 2
( not sure about this one:( )

4. Factor the expression.
t^2 + 10t + 16

A. (t + 2)(t + 5)

B. (t + 2)(t + 8) ***

C. (t + 4)(t + 4)

D. (t + 5)(t + 4)

5. Factor the expression.
n^2 - 15n + 56

A. (n + 7)(n + 8)

B. (n + 7)(n - 8)

C. (n - 7)(n - 8) ***

D. (n - 7)(n + 8)

6. Factor the expression.
q^2 - 8q + 12

A. (q - 4)(q - 3)

B. (q - 4)(q - 2)

C. (q + 6)(q + 2)

D. (q - 6)(q - 2) ***

7. What missing number would complete the factorization?
z^2 - 2z - 48 = (z - 8)(z + □)

A. 3

B. 6

C. 12 ***

D. 4

8. Factor the expression.
w^2 - 7w - 8

A. (w - 8)(w - 1)

B. (w - 2)(w - 4)

C. (w - 8)(w + 1) ***

D. (w + 8)(w - 1)

9. Factor the expression.
r^2 + 19rs + 90s^2

A. (r + 3s)(r + 30s)

B. (r + 3)(r + 30s^2)

C. (r + 10s)(r + 9s) ***

D. (r + 10)(r + 9s^2)

10. Factor the expression.
m^2 - 3mn - 28n^2

A. (m + 4n)(m - 7n) ***

B. (m - 4n)(m + 7n)

C. (m - 2n)(m + 14n)

D. (m + 2n)(m - 14n)​