The side of a cube is increasing at a rate of 2 km per hour.
At a certain instant, the side is 1.5 km.

What is the rate of change of the volume of the cube at that instant (in cubic kilometers per hour)?

Choose 1
A)2
B)8
C)16.5
D)13.5

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Is the point (0, 8) on the x-axis or y-axis? how do you know?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?