a piece of string 44 centermerters long. Many cuts of a piece that is 15 centermeaters long .how much string is left?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

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.