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**jscalalamoboy** Please Help!

1.)Factor the expression: $\displaystyle 4y^2-49$

2.)Factor the expression completely: $\displaystyle 2x^2-16xy+32y^2$

3.)Solve the equation: 4x^2-2x=0

4.)The length of a rectangular garden is 25 feet longer than the width. If it covers an area of 2600 sq. ft., find the length and width.

5.)x and y vary inversely. If x=2.4 when y=130, find and equation relating x and y.

6.)Find the domain of the rational expression: $\displaystyle x^2+4 (over) x^2+4x$

7.)Simplify: $\displaystyle 3x^3(y-3) (over) 5y^2x^2$

8.) Divide $\displaystyle (15A^3-12A^2-9A)/3A^2$

9.) Is a function defined by {(-2,3), (0,1), (2,-2), (4,2)}? If so state it's domain.

10.) $\displaystyle f(x)=-2x^2+7x+5$ Find $\displaystyle f (3/2)$