Y-2y8y-6 is equivalent to:
a)0
b)1
c)-1
d)y^3

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

How can i differentiate this equation?

The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days