If Audrey can do 25 sit ups in 30 seconds, how many can she do in 4 minutes

Which shows the graph of the solution set of 3y – 2x > –18?

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is

The volume of a spherical hot air balloon v(r) = 4 3 ? r3 changes as its radius changes. the radius is a function of time given by r(t) = 3t. find the instantaneous rate of change of the volume with respect to t at t = 2.