Answer:
A
Step-by-step explanation:
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Alright, so the book is on sale for 4 dollars right? So do 32/4 and that will be 8, so the percent is 8%
The answer for the first one is 12. 15% of 80 is 12. The second one I can’t answer because it is not very clear and is cut off
<h3>
Answer:</h3>
x=2
<h3>
Solution:</h3>
- In order to isolate x, we should first of all take the square root of both sides.
- If we take the square root of the left-hand side, we will get

- How about the right-hand side? Well, we should take the square root of the numerator (9) and the denominator (4)
- So we have

- Move -1/2 to the right:


- x=2
Hope it helps.
Do comment if you have any query.