Arobot can complete 8 tasks in 5/6 hour. how long does it take the robot to complete one task?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0