Add or subtract, if possible. Assume that all variables represent non-negative values and be sure to simplify your answer.
+ 
A. 8
B. 8
C. 7
+ 5
D. 7
Answer: B
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Solve the problem.Harry's Carpet company is offering a special promotion. Interest charges are added to the balance each month, becoming part of the balance for the next month. If you pay off the original purchase within 3 months, all interest charges are cancelled. Suppose your original purchase is 
and the monthly interest rate is 1.1%. If you pay off the account one day late, what is the total interest paid, ignoring the last day's interest?
A. $99.00 B. $101.10 C. $99.73 D. $100.09
Simplify the expression. If any variables exist, assume that they are positive.6
+ 9
A. 15
B. 54
C. 15
D. 165
Evaluate using Table 1 or CAS.
Solve the problem.How long will it take for $9800 to grow to $46,100 at an interest rate of 2.1% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 0.74 yr B. 73.73 yr C. 7.37 yr D. 7373.48 yr