Answer:
38
Step-by-step explanation:
<u>Step 1: Change words into an expression</u>
19 is %50 of what number
19 * 2
38
Answer: 38
Answer:
what
Step-by-step explanation:
Sorry but I can’t see the pic,it’s blurry!
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:

To simplify or to write in the form a+bi, you will need multiply the top and bottom by the bottom's conjugate like so:

Keep in mind when multiplying conjugates you only have to multiply first and last.
That is the product of (a+b) and (a-b) is (a+b)(a-b)=a^2-b^2.
(a+b) and (a-b) are conjugates
Let's multiply now:

i^2=-1



