Answer:
Step-by-step explanation:
1) Rewrite x² - 9 in the form a² - b² where, a = x and b = 3.
2) use difference of squares: a² - b² = ( a + b ) (a - b).
3) Factor out the common term x.
4) Cancle out x - 3 .
5) Simplify.
<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>1</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3</u></em><em><u>/</u></em><em><u>x</u></em><em><u>.</u></em>
Your answer would be 5
Explanation is in the photo
Answer: 
<u>Step-by-step explanation:</u>
There are 61 boys --> 38 girls
A) 19 chose football: 5 are girls --> 14 are boys
B) 38 girls: 28 chose running, 5 chose football --> 5 girls chose tennis
C) 31 students chose tennis: 5 are girls --> 26 are boys.
D) 61 boys: 14 chose football, 26 chose tennis --> 21 boys chose running.
Total running = 21 boys + 28 girls = 49
Total students = 99
Answer:
The answer is C
Step-by-step explanation:
The answer is C because if you graph all of these points the only one that isn't linear is C. All the other ones are strait lines.
I hope this helps :))
