What is the equation of a line that is perpendicular to - x + 2y = 4 and passes through the point (-2,1)

question options:

y = -2x - 3

y = 2x + 4

y = x + 2

y = 2x - 4

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

What is sin 7x/4 ? i need on this urgent trig

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?