An office supply store sells 8 pens for $4.00. if this relationship is graphed with the number of pens on the x-axis and the cost on the y-axis, what is the slope of the graph created in dollars per pen?
a. 2.00
b. 0.50
c. 0.20
d. 0.02

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.