Someone ! which graph is defined by the function given below?
y = (x - 5)(x -5)
a, graph a
b. graph b
c. graph c
d. graph d

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?