What is the volume of a sphere with radius 4 cm?(Round to nearest cubic centimeter) Use pi = 3.14 and V = 4/3 pi r^3

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

You can reduce glare in snowy weatuer by?

Compared with the cost of tuition, fees, and books for a traditional college course, the cost of a clep exam is: