Provide an appropriate response.Your friend started a savings plan with 3 pennies and each day she saved three times the amount she saved the previous day. Later you started a savings plan with 9 pennies and each day you saved 9 times the amount you saved the previous day. On the day that your friend had been saving for 8 less than 4 times as many days as you, you saved the same amount as your friend. How many days have you been saving?
Fill in the blank(s) with the appropriate word(s).
4 days
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Solve by graphing. Label the axes and show where the solution is located on the graph.In one U.S. town the annual consumption, b, of beef (in kg per person) can be estimated by 
where t is the number of years since 1975. Graph the equation and use the graph to estimate the beef consumption in the year 1986.
A. About 27 kg per person B. About 19 kg per person C. About 16 kg per person D. About 13 kg per person
Rewrite with rational exponents.
A. x7/2 B. x-7/2 C. x-2/7 D. -x2/7
Use the compound interest formula to determine the interest earned in the given period.P = $6600 at 5.5% compounded daily for 14 years
A. $20,853.63 B. $24,179.15 C. $14,253.63 D. $7653.63
Solve the problem.James purchased a bond for $3380, and ten months later he sold it for $3700. What annual rate would he have to earn in a savings account compounded monthly, to earn the same money on his investment?
A. 8.08% B. 4.58% C. 6.58% D. 7.33%