Evaluate 3/2y-3+ 5/3z when y= 6 and z=3

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)

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years