Amachine paints 340 toy boats in 45 minutes. write a ratio that can be evaluated to find the unit rate perhour

Factor a^3 - 3 + 3a^2 - a. a) (a - 1)(a + 1)(a + 3) b) (a^2 + 1)(a - 3) c) (a^2 - 3)(a + 1)

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

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