Answer:
A=12.5xh
Step-by-step explanation:
I think this should be right
Solving the expression
we get 
So, Option A is correct.
Step-by-step explanation:
We need to solve the expression: 
Multiplying and dividing by 2-3i

So, solving the expression
we get 
So, Option A is correct.
Keywords: Complex numbers
Learn more about Complex numbers at:
#learnwithBrainly
Answer:
The music director can make 15 groups of performers with 6 sixth grade students and 5 seventh grade students in each group.
Step-by-step explanation:
A school chorus has 90 sixth-grade students and 75 seventh-grade students.
Factor these two numbers:
Find GCF(90,75):
Now,
Therefore, the music director can make 15 groups of performers with 6 sixth grade students and 5 seventh grade students in each group.
Answer:
use wolfram alpha it helps :D
Step-by-step explanation: