Does the equation below represent a relation, a function

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.