With three math questions( dont type something random or i will report)

1. if a pair of parallel lines are rotated, which is true?
a) the lines remain parallel only if rotated 180°.
b) the lines remain parallel only if rotated 360°.
c) rotated parallel lines always remain parallel lines.
d) rotating parallel lines result in perpendicular lines.

2. if square hijk is dilated by a scale factor of
1/3 (the picture is the attached)
with a dilation center of (0, 0), what will be the coordinates of point k'?
a) (1, 1)
b) (-1, 1)
c) (1, -1)
d) (0, -1)

3.margot is studying the yield of bushels of wheat in comparison to the amount of rainfall, in inches, that occurs. she finds the linear regression equation to be y = 47.3 +0.78x. what does 47.3 mean in the context of the problem?
a) if no rain fell, 47.3 bushels of wheat would be produced.
b) if no bushels of wheat were produced, 47.3 inches of rain fell.
c) for every bushel of wheat that is produced, 47.3 inches of rain fell.
d) for every inch of rain that falls 47.3 bushels of wheat are produced.