One grocery clerk can stock a shelf in 45 min. A second clerk requires 20 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together?

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is

Darragh has a golden eagle coin in his collection with a mass of 13.551\,\text{g}13.551g. an uncirculated golden eagle coin has a mass of 13.714\,\text{g}13.714g.

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?