What’s the distance between -4 and 5 on the number line?

What is the value of the product (3-2i)(3+2i)?

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.

Judy garland electronics operate on a net-profile rate of 20% on its printer cables. if the markup is $8.95 and the overhead is $4.31,find the net profit and the selling price? use the net-profit rate formula to solve this problem.