Provide an appropriate response.
Solve the given problem: Sue does informal house decorating. She can wallpaper a typical room in 5 hours. She sometimes takes her friend Sandy with her. Sandy can wallpaper the same size room in 8 hours. Together how long would it take them to wallpaper a typical room?
A. 
hours
B. 1 hours
C. 
hours
D. 5 hours
Answer: C
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Solve the given applied problems involving variation.The cost of stainless steel tubing varies jointly as the length and the diameter of the tubing. If a 
length with diameter 2 inches costs $48.00, how much will a 
length with diameter 
cost?
A. $141.60 B. $149.57 C. $149.30 D. $144.00
Express the number in scientific notation.0.00000041103
A. 4.1103 x 10-6 B. 4.1103 x 106 C. 4.1103 x 10-7 D. 4.1103 x 107
Use the end behavior of the graph of the polynomial function to determine whether the degree is even or odd and determine whether the leading coefficient is positive or negative.
A. odd; positive B. odd; negative C. even; negative D. even; positive
Divide.
A. 21x6 - 35x2 B. 3x6 - 5x2 C. 3x8 - 5x4 D. 3x7 - 5x3