Sorry, I'm not sure.
I would suggest asking a trusted adult or teacher or redoing the lesson. Cheating isn't a good path: you will not do well in the future if you always search for answers on the internet.
Answer:
x=4, y=-2
Step-by-step explanation:

Answer: 6.19 miles
Step-by-step explanation:
1): First you have to divide 312 by 252 to get the miles per hour.
312 / 252 = 1.23
2): Secondly, multiple 1.23 by 5 hours
5 x 1.23 = 6.19
Answer:
1. 
- Degree: 2
- Number of terms: 3
2. 
- Degree: 3
- Number of terms: 2
3. 
- Degree: 4
- Number of terms: 2
Step-by-step explanation:
For this exercise you need to remember the multiplication of signs:

1. Given:

Apply the Distributive property:

Add the like terms:

You can idenfity that:
- Degree: 2
- Number of terms: 3
2. Given:

Add the like terms:

You can idenfity that:
- Degree: 3
- Number of terms: 2
3. Given:

Apply Distributive property:

Add the like terms:

You can idenfity that:
- Degree: 4
- Number of terms: 2
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Find 10 reams
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1 ream = 32 ounces
10 reams = 32 x 10
10 reams = 320 ounces
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Convert ounce to pound:
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1 ounce = 0.0625
10 ounces = 0.0625 x 10
10 ounces = 0.625 pounds
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Answer: Each case weighs 0.625 pound.
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