- We have to find n
- Take 5 to right side
- sign will be changed
- Simplify
A 3-foot piece of wire costs $0.76. What is the unit price, rounded to the nearest cent?
1 answer:
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Answer:
Step-by-step explanation:
Distribute (2h − 3k)(h + 5k).
2h^2 + 10hk - 3hk - 15k^2
2h^2 + 7hk 15k^2
The answer is A, 
. This is because when plugging in -2 for x, the expression will look like this: 
. To make the exponent positive, you have to flip it into a fraction. Then it will be 
. Lastly, you simplify the denominator into 81.