In the standard (x, y) coordinate plane, the line represented by which of the following equations goes through (0,7) and is parallel to the line represented by y = -2x - 4? Answers :

A : y = 1/2x + 7

B : y = -2x + 7

C : y = -2x - 7

D : y = 7x - 4

E : y = 1/2x - 7

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Can someone me and do the problem plz so i can understand it more better

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k