Provide an appropriate response.Percents can contain:
A. mixed numbers and mixed decimals
B. fractions
C. whole numbers
D. all of these
Answer: D
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Decide whether the statement makes sense. Explain your reasoning.Our utility company charges 10 cents per joule for the energy we use.
What will be an ideal response?
Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 6 sec of fall and the speed at the instant 
A. 48 ft/sec; 96 ft/sec B. 97 ft/sec; 194 ft/sec C. 192 ft/sec; 97 ft/sec D. 96 ft/sec; 192 ft/sec
Simplify.2.7 ? 17.6 + 12.1 ? 19.1
A. 1138.7 B. 671.5 C. 1531.6 D. 278.63
Write the binomial expansion of the expression.(3x - 1)4
A. (9x2 - 3x + 1)4 B. -81x5 + 108 x4 + 54x3 + 12x2 + 1 C. 81x4 - 108x3 + 54x2 - 12x + 1 D. 81x3 - 108x2 + 54x - 12