11) Working alone, it takes Willie seven hours to paint a fence. Ndiba can paint the same
fence in eight hours. How long would it
take them if they worked together?
A) 3.73 hours B) 2.92 hours
C) 3.49 hours D) 3.56 hours

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%