Mr. vectadore is buying two new cowboy hats. all together the hats costs $75.12. the second hat costs twice as much as the first hat. what is the price of the most expensive hat? round to the nearest hundredth.

It says factor each expression 49x-28?

Identify the number 127 as a rational or irrational. explain

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)