Solve this equation
-220= -5(-6m+8)

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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?

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.