Caroline deposits $2,000 into a retirement fund each year. The fund earns 7.5% annual interest, compounded monthly. If she opened her account when she was 20 years old, how much will she have (to the nearest dollar) by the time she is 60? How much of that amount will be interest earned?
a. Total in account: $86,000; interest earned: $6,000
b. Total in account: $90,569; interest earned: $10,569
c. Total in account: $ 92,570; interest earned: $12,570
d. Total in account: $320,000; interest earned: $240,000
b. Total in account: $90,569; interest earned: $10,569
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Find the requested probability.A coin is biased to show 45% heads and 55% tails. The coin is tossed twice. What is the probability that the coin turns up tails on both tosses?
A. 10% B. 30.25% C. 45% D. 55%
Solve the problem.Suppose you contribute 
per month into a fund that earns 
annual interest. What is the value of your investment after 23 years?
A. $96,978.83 B. $70,040.27 C. $53,877.13 D. $43,101.70
Solve.
= -8
A. {0} B. {0, -16} C. {0, 16} D. ?
Convert to radical notation and simplify.2434/5
A. 19,683 B. 6561 C. 2187 D. 81