If a section of a circle graph needs to represent 15%, then its angle measure will be a0 degrees.

Me. i can't figure out this question. give an explanation too. .

Need so much on this one how many yards?

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.