Answer:
A. -4 + 6i
Step-by-step explanation:
Cause as we can see... (-2 - 2i)+(10-4i)
We get when we multiply 2x2=4i
Next 10-4=6
Hope it helped u
Answer:
10.5 I think
Step-by-step explanation:
the platform is 42ft so if you divide 42 by 4 you get 10.5
we are given to simplify

Open the bracket and write the like terms together

when the bases are same then the exponents gets added

If $96,169 is their combined pay in one year then consider this...
800x12=9,600
Simplify 96,169 to 96,000...
Divide 96,000 by 9,600 = 10.0
then pretend we had divided 96,100 by 9,600 then your answer would be 10.01