#### mienusmotion

##### New member

- Joined
- Nov 26, 2008

- Messages
- 2

1.

*The area of a rectangular room, in squared metres is u²-u-20. Write expressions for the length and for the width in terms of u. Then, find the smallest whole-number value of u that yields positive values for the sides and the area of the room*

2.

*Two intergers differ by 9. If the squares of the intergers are added, the result is 125. What are the intergers?*

3.

*The area of a rectangle is 357 cm². The width of the rectangle is 4 cm less than the length. What are the dimensions of the rectangle?*

4.

*A number is equal to 12 divided by 1 less than itself. What is the original number?*