Please help will mark the brainliest

If xy = 4, which is equivalent to y(x-4)(x+2)

A. 5x
B. x^2 -2x + 8
C. 5
D. 4x - 8 - 8y

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?