Answer:

Step-by-step explanation:
We want to simplify:

Recall the Pythagorean Identity:

So:

Substitute:

Factor. We can use the difference of two squares pattern:

Cancel. Hence:

Answer:
Below in bold.
Step-by-step explanation:
1. 165/3.3 = 50 meters/second.
2. In 4 seconds the skydiver will fall 4*50 = 200 meters.
Answer:
9 9/14
Step-by-step explanation:
<h2>
Answer:</h2>
$15.08
<h2>
Step-by-step explanation:</h2>
As the value 226.20 is the total of all wages, you can work out the mean.
Mean averages are usually worked out as the total / number of values.
Because you already know the total is 226.20 and the number of values is 15 different wages, divide 226.20 by 15 to get $15.08.
Answer:
125 percent
Step-by-step explanation:
The proportion is
40 percent
------ = ----------
32 100
Using cross products
40*100 =32 * percent
Divide by 32
4000/32 = percent
125 = percent