An art collector had 6 paintings and the bought a new painting for $100,000.
How will buying the new painting affect the Mean and the Median?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

What is the factor form of x^2-9x+14

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?