Simplify: 
A.
B.
C.
D.
Answer: B
Mathematics
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Solve the system using matrices.x - y+ 5z = 7x + 3y + z = 110.4x + 0.1z = 0.2
A. (0, 3, 2) B. No solution C. (2, 3, 0) D. (2, 0, 3)
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Decide whether the given set of numbers is a group under the given operation.Prime numbers; multiplication
A. Yes B. No
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Solve the problem.In how many ways can the letters in the word PAYMENT be arranged if the letters are taken 4 at a time?
A. 28 B. 840 C. 210 D. 420
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Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter.
Mathematics