Any help please? Determine an equation in factored form for this function. (Each grid line represents one unit.)

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

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.