Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Rob filled 5 fewer plastic boxes with football cards than basketball cards. he filled 11 boxes with basketball cards.

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.

What is the 8th term of the geometric sequence with this explicit formula? an= )(n-1)