Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
- 
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.What are the odds in favor of drawing a 4 from these cards? 
A. 1 to 5 B. 1 to 4 C. 5 to 1 D. 4 to 1
Write the first four terms of the sequence.an = 4(n + 2)!
A. 24, 96, 480, 2880 B. 8, 24, 96, 480 C. 8, 48, 288, 1920 D. 24, 192, 1440, 11,520
Work each of the following problems on your calculator. Do not write down or round off any intermediate answers.
?
= __________
?
= __________
?
= __________
?
= __________
What will be an ideal response?
Solve.A commuter travels to work, driving a distance d at speed r. At the end of the day, she returns home and drives the same distance 6 mph faster, at a speed r + 6. Her average speed for the round trip can be represented by the expression 
. Simplify this expression.
A. 
B. 
C. 
D. 