How many milligrams did the professor add to the hand cream in the golf ball experiment?.

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

Arecycling company gives you 5 cents for every plastic bottle and 10 cents for every glass bottle. from a certain individual the recycling company received 59 bottles and paid $4.55. how many glass bottles did the individuals recycle?

Which the following is a common trait in a four year college