Solve the problem.In 9 weeks, the value of Bob Treatman's day trading account decreased by $207. What was the average weekly change in the value of the account?
A. -$29 per week
B. $21 per week
C. -$25 per week
D. -$23 per week
Answer: D
Mathematics
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Find the indicated composite for the pair of functions.Given f(x) = 4x2 + 6x + 4 and g(x) = 6x - 3, find (g ? f)(x).
A. 4x2 + 6x + 1 B. 24x2 + 36x + 27 C. 24x2 + 36x + 21 D. 4x2 + 36x + 21
Mathematics
Solve the equation.
= 4
A. {55} B. {15} C. {15, 55, 0} D. {15, 55}
Mathematics
Perform the conversion. Round to the nearest hundredth when necessary.63 kg to lb
A. 138.60 lb B. 66.78 lb C. 160.02 lb D. 28.35 lb
Mathematics
Solve the problem. Round to the nearest unit.98 is 80% of what?
A. 12 B. 78 C. 123 D. 1,230
Mathematics