Answer:
$162 to make a 35% profit
Step-by-step explanation:
35% of 120 is 42. Add the 42 to 120.
Given:
Henry can type 3500 words in 70 minutes.
Colin can type 1500 in 30 minutes.
Brian can type 2200 words in 40 minutes.
To find:
The person who types at the fastest rate of words per minute.
Solution:
We know that,

Using this formula, we get



Since 55>50, therefore Brian's types at the fastest rate of words per minute.
You have to complete the square. When you do this you get an equation that looks like this: (x-3)^2 + (y+4)^2 = 4. So your center is (3, -4) and your radius is 2. That looks like B to me!!!