Which expression can be used to convert 30 US dollars into australlian dollars

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price