Twenty teenagers were asked to give their current savings account balances. Use the balances shown in the list to complete the frequency distribution table.200?1250?880?3499?33992118?560?2500?2499?14991382?591?2399?2299?27892999?1810?1400?1500?2159 
What will be an ideal response?
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If , calculate the value of
.
?
A. 5.55 B. 3.41 C. 1.66 D. 2.32
Answer the question according to what the textbook states.Which of these is listed as one of several steps in preparing for an exam?
A. Leave for the exam as late as possible to increase your amount of study time. B. Review your class notes, and skip reviewing previous homework assignments. C. Practice working out exercises by working the Chapter Review. D. Skip the concepts and definitions in the Chapter Highlights at the end of the chapter.
Simplify the fraction.
A.
B.
C.
D.
Solve the system of equations by the substitution method. Check your solutions.
A. {(-2, -1), (-1, -2)} B. {(2, 1), (-1, -2)} C. {(-2, 1), (-1, 2)} D. {(2, -1), (1, -2)}