PLEASE HELP JUST NEED Period, Phase shift and Equation HELPPP!!!

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

If the probability of an event happening is 65% then the probability this event does not occur?

The magicsoft software company has a proposal to the city council of alva, florida, to relocate there. the proposal claims that the company will generate $3.3 million for the local economy by the $1 million in salaries that will be paid. the city council estimates that 70% of the salaries will be spent in the local community and 70% of that money will again be spent in the community, and so on.