A straight line parallel to another is one that has the same slope. The generic equation of a line can be written as y-yo = m (x-xo). If we look for a parallel line that passes through the point (8.0). We should look for a line with the values m = -0.75, xo = 8, yo = 0. Substituting in the generic equation, we have that the line sought is y = -0.75 (x-8)
Samantha can find the total of the vases then add that and the sales tax. Once she has added those numbers up, she should subtract that from the total cost of the items. Once Samantha has subtracted, she should divide the answer by 4 to get the cost of an individual bag of beads