The answer is -9+9i because we combine like terms.
(-7)-2= (-7)+(-2)=-9
(3i)-(-6i)= (3i)+(6i)=9i
hope this helps! :)
Answer:
If its considered a triangle every unit inside a triangle is 90 square units
Step-by-step explanation:
6 x n or 6n, I'm pretty sure.
680x+10y=1000. Ax+By=C not sure if that’s what your teacher is looking for