The pressure P and volume V of an expanding gas are related by the formula PV^b=C, where b and C are constants (this holds in adiabatic expansion, without heat gain or loss). Find dP/dt if b=1.5, P=13kPa, V=50cm^2, and dV/dt=10cm^3/min.

dP/dt= (kPa/min)

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?