Posted by **erin** on Saturday, July 21, 2007 at 8:27pm.

I have some problems that I've answered and I need someone to check to see if I'm right. Im just posting the questons and my answer,if its wrong I'll post my work,so here it is bear with me please and thank you.

1)name which sets of numbers to which -28 belongs. my answer = integers,rationals,reals

2)the property illustrated by 7x(9+1)=(9+1)x7 is the. my answer = commutative property of multiplication

3)solve the equation 2/5y=3/14. my answer = 28/15

4)solve the equation 3(absolute value bars x-5)=12. my answer = null set

5)solve the equation (absolute bars y-8)+6=15. my answer = 17 I'll stop here for right now.

3. If y is in the denominator, you are right.

4. No, x=9 works, as does x=1

5. y-8=± 9 so y=8±9

## Answer this Question

## Related Questions

- Algebra - - ok... we keep getting this one wrong: Solve the following equation ...
- General - Please understand that I am not upset with anyone or whatever I just ...
- math/algebra - can someone check my answer: 3486 my answer is 276 if not ...
- I have posted this so many times..can someone help - I need someone to right an ...
- Matt 115 - Hello, I just wanted to know if someone could check my work to see if...
- Chemistry - can anyone check and see if i balanced the equation for the ...
- Algebra - Hi, could someone possibly check my answers to these algebra questions...
- check my work on derivatives - Can someone check my work? So, I took the ...
- Algebra - Suppose a triangle has angles A,B, and C. Angle C is the right angle. ...
- math-check my work - Differentiate y=x(x4+5)3 d/dx = [x(x4+5)3] d/dx = [f(x)g(x...