Given that (-3,-5) and (-1,-4) are points on the same line, find a point slope form of the equation for this line

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).