Solve the problem.Use determinants to find the area of the triangle with vertices (1, 6), (4, 1), and (0, 0).
A. 12.5
B. 12.0
C. 11.5
D. 11.0
Answer: C
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Perform the indicated operation. If the fraction is undefined, say so.
A. 1
B. 
C. 0
D. undefined
Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 12 minutes, the bell is at a depth of 300 ft. After 50 minutes the bell is at a depth of 1500 ft. What is the average rate of change of depth? Round to one decimal place.
A. 0.03 ft per minute B. 31.6 ft per minute C. 30.0 ft per minute D. 24.0 ft per minute
Find the value of the expression.7[32 + 6(5 + 6)]
A. 87 B. 525 C. 1155 D. 315
Solve the problem. Express your answer in scientific notation, and round to one decimal place. The national debt of a small country is $7,740,000,000 and the population is 2,396,000. What is the amount of debt per person?
A. $3.2 B. $32 C. $3.2 × 103 D. $3.2 × 106