so for blue i got that C is 16, but i dont know how to get the probability (sorry its not many points, i dont have many)

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

2x minus y equals 6, x plus y equals negative 3