Simplify the following expressions.
8x + 6y + 5x + 4y

P= $1400,300 r = 7 1/2% t = 4 what is i ? $4.29 $429.00 $4290.00

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.

Which function has the vertex at (2,6)