. Consider the points P such that the distance from P to As21, 5, 3d is twice the distance from P to Bs6, 2, 22d. Show that the set of all such points is a sphere, and find its center and radius.

Why are graphs useful when interpreting data

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.

What is the coldest temperature ever recorded in san antonio?