Evaluate the determinant.
A. -18
B. 18
C. 334
D. -182
Answer: B
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Use the pictograph to answer the question.For selected countries, this pictograph shows approximately how many kilograms of seafood is consumed by each person (per capita) annually.
Which country consumes the most seafood?
A. Country B B. Country C C. Country E D. Country A
Solve the problem.A rare baseball card was sold in 1990 for $215,000. The card was then resold in 1998 for $491,000. Assume that the card's value increases exponentially, and find an exponential function V(t) that fits the data. (Round decimals to three places.)
A. V(t) = 215,000e0.775t, where t is the number of years after 1990. B. V(t) = 215e0.775t, where t is the number of years after 1990. C. V(t) = 215,000e0.103t, where t is the number of years after 1990. D. V(t) = 215e0.103t, where t is the number of years after 1990.
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 9x + 9y - z = 124 x + 4y - 6z = 23 6x + y + z = 51
A. (7, 2, 7) B. (7, 7, 2) C. (-7, 7, 14) D. No solution
Find the standard equation of the circle that satisfies the conditions.Center (3, 0), radius 9
A. (x + 3)2 + y2 = 81 B. x2 + (y - 3)2 = 9 C. x2 + (y + 3)2 = 9 D. (x - 3)2 + y2 = 81