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I don't really understand this, so can you please explain this as simply as you can to me? Thank you.

1. x - 2 + 2y + 5 - y

2. -2 + 2z + (-3w) + 4 + z

3. 2 + 4x^2 + y^2 + x^2 - 1

Please explain how you got the answer.

1. 3y + y for y = -2

2. 4s - 2s for s = 1

3. a^2 + 2a^2 + a^2 for a = 2

4. 2t + 3t - 3 for t = 0.5

5. -k + (-3k) - 2k + 2 for k = -3

6. 2c + 3 + 4d - c + d

It's "Jia Wen"

I need something that can hold my model up very well so it won't tip over. Any suggestions?

(Will cardboard do, or is that not a good idea?)

If you also know what I can use as a base (to hold it up), let me know. Thanks again

1. -5^2 x 5^-2

2. t^3 x t^-5

1. a) The label on a 1-L can of paint states that the paint will cover an ara of 10m2. What is the side length of the largest square area that the paint will cover?

b) What is the side length of the largest square area that a 3.79-L can of the same paint will cover? Express your answer to the nearest hundredth of a metre.

c) Nadia is applying two coats of the same paint to an area of 4.6m by 4.6 m. How much paint will she use if she applies the same amount of paint for each coat? Express your answer to the nearest tenth of a litre.

Can you show your work to me? Thanks.

Andrew drove his car 234 km from Dawson to Mayo in Yukon Territory in 3 h. Brian drove his truck along the same route at an average speed of 5 km / h greater than Andrew's average speed. How much time did Brian take, to the nearest minute?

Musicals like Moulin Rouge, Sweeney Todd, and Phantom of the Opera. Thank you.

1. The makers of Purr n' Chew cat food want to price their cat food so that it costs just less than their main competitor, Happy Kitty. A 5-kg bag of Happy Kitty costs 12.99. What is the maximum price that Purr 'n' Chew should charge for their 4-kg bag of cat food? Explain how you found this price.

I'm 14 years old (female) and I was thinking of joining Army Cadets but I'm not really sure what you do. Do they have any restrictions or anything?

1. 2 + 4 x 3 / 7

2. 8 x 5 / 2 + (8-3)

I don't like Hannah Montana, Jonas Brothers, or any music from any Disney star. So if you were going to recommend a song from any of them, I suggest you leave this page now :P

For example, if I was told to think critically about the fall of Rome, how do I should write it (ex. paragraph, essay form, etc)?

If you can give dates on when he arrived and left, thank you.

Helpful links are welcome.

Thanks.

Please include the dates from when he arrived and departed, if you can.

If you can also provide any links that can help me, please do so.

Thanks!