Answer:

Step-by-step explanation:
(a+b)(a-b)
-ab+ab-

Express in simplest a+bi form: Square root of 1b + Square root of -1b

Lets simplify 
We know 

We cannot simplify 


So a + ib form is 
Answer:
46.667% increase of 30.
Step-by-step explanation:
44 is a 46.667% increase of 30.
Answer:
50 degrees
Step-by-step explanation:
PLZ MARK BRAINLIEST
Answer:
Solve the equation for s by finding a , b , and c of the quadratic then applying the quadratic formula.
s
=
−
2
Double roots