Asalesperson's commission rate is 4% what is the commission from sale of 33,000 worth of furnaces

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

A+b= 17, ab=70, find the value of |a-b|

Solve this system of equations: y=x2-3x + 12 y=-2x+14 4. substitute the values of x, -1 and 2, into either origina equation to solve for the values of y. what are the solutions of the system of equations?