Amom mixes 9 ounces of juice with 3 ounces of water. what percent of the drink is juice?

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

What is the domain of the step function f(x)=[2x]-1?