For 20 stars. karen started painting the walls at 9: 25 am, and she said that she would finish the job at 2: 35 pm. her mother said that three fourths of that time was enough to paint the walls. however, when karen finished the job, they noticed that it actually took her 2/3 of an hour longer than the time predicted by the mother. how much longer did karen predict it would take then the time it actually took her to complete the job (what part of an hour)?

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?

Solve the equation for b: a= (1/2)(b)(h)