In five years, josh will be 21 years old. how old is he now? let j represent josh's current age. which formula would correctly calculate josh's current age?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Factor the expression using gcf 9b+45