Joanna ran a mile in physical education class. after resting for one hour her heart rate was 60 minutes per minute. if her heart rate decreased by 2/5 what was her heart rate immediately after she ran the mile ?

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

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