Answer is a because a^-2 will be changed to 1/a^2
Hope that helps
Answer:
y=3
Step-by-step explanation:
Multiply 9 from both sides to cancel it out.
-27=-y/9
/9 /9
-3=-y
We can't have a negative variable, so we divide -1 from both sides.
-3=-y
/-1 /-1\
3=y
-hope it helps
Its a common technique for remembering the order of operations. The abbreviation pemdas is turned into the phrase "Please excuse my Dear Aunt Sally". It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction.
Step-by-step explanation:
You find the complex conjugate simply by changing the sign of the imaginary part of the complex number.
the answer is
9+3i
Your anbswer is gonna be 5,7
