Explain how you would solve the problem below.

20% of 60

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Write as a product of two polynomials. 2(3–b)+5(b–3)^2

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.