Answer:
A. is correct so, -5
Step-by-step explanation:
Have a good day.
Three that are equivalent are 12:9 8:6 28:21
Answer:
Area=Base length x Height
Area= O x g.
Equivalent expressions are expressions of equal values
The simplified expression of (3 - 4i) + (7 - 6i) is 
The expression is given as:

Remove brackets in the above expression

Rewrite the expression by collecting the like terms

Next, evaluate the like terms

Hence, the simplified expression of (3 - 4i) + (7 - 6i) is 
Read more about equivalent expressions at:
brainly.com/question/2972832