Xpower 3 minus 8can you tell me how to do it and in advance

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

40 describe the outliers from the scatter plot.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers