Line a has a slope of
7/5

. Line b is parallel to line a. What is the slope of line b?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

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?