Question

Someone pls answer ? It’s 8,9,1,2

Answer 1

Answer:

Step-by-step explanation:

8.

any number ×0=0

so b

9.

additive identity

any number+0=same number

c

1.

$\frac{(3+u)^2}{8} =\frac{(3+5)^2}{8} =\frac{8^2}{8} =\frac{64}{8} =8\\where ~u=5$

2.

-2(a-7)=-2×a-2×(-7)=-2a+14