Simplify.647 ? 
? 
A. 
B. 92,829
C. 0
D. 
Answer: C
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Find the angle between the given vectors to the nearest tenth of a degree.u = i + 
j, v = -i - 2j
A. 132.7° B. 174.1° C. 161.6° D. 120.9°
Solve the problem.A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected, find the probability of a rating that is between 200 and 275.
A. 0.0668 B. 0.9332 C. 0.4332 D. 0.5000
Solve the problem.Over a year period, a hardware store made the following purchases of hammers: 24 hammers at 
, 30 hammers at 
, 36 hammers at 
, and 26 hammers at 
. Inventory at the end of the year shows 35 hammers remain. Find the inventory value by (a) weighted average method, (b) FIFO Method, and (c) LIFO Method. Round final answers to the
nearest cent. A. (a) $219.10 (b) $251.51 (c) $232.24 B. (a) $188.48 (b) $241.15 (c) $219.10 C. (a) $224.96 (b) $232.24 (c) $281.75 D. (a) $219.10 (b) $232.24 (c) $251.51
Find the function value.For f(x) = -|x - 2|, find f(-4).
A. -4 B. -6 C. 2 D. 6