The answer is -9+9i because we combine like terms.
(-7)-2= (-7)+(-2)=-9
(3i)-(-6i)= (3i)+(6i)=9i
hope this helps! :)
Answer:
What is le question
Step-by-step explanation:
?
Answer:
1.523
5 is the tenths place (0.1)
2 is the hundredths place (0.01)
Step-by-step explanation:
Answer:
It's Impossible.
Matrix can only be raised to a power if it has same number of rows and columns
Step-by-step explanation:

Answer:
$35
Step-by-step explanation:
50 * 30% = 15$ discount
50 - 15 = 35$ cost
30% discount is additional so based off sales price