50 POINTS FOR THIS Please I need clear passages and I'll give brainliest. At least one I'm in emergency.

1). |3x^2-5x|=7x

2). |2x^2+3|=7x

3). |2x-5|>=3x

4). |2x+5|<=13

Thank you very much!

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

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