Solve. Clear decimals first.30.8y - 215.6 = 46.2y - 323.4
A. -14
B. 7
C. -7
D. 14
Answer: B
Mathematics
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Use the following information to fill in the blank: 
18 tsp = ___ T
A. 54 B. 90 C. 3.6 D. 6
Mathematics
Solve the system of equations. x -y + 3z = -13x+ z = 0 x + 5y +z = 5
A. (1, 0, 0) B. (0, 0, 1) C. (0, 1, -1) D. (0, 1, 0)
Mathematics
Use Newton's method to find a solution for the equation in the given interval. Round your answer to the nearest hundredth.2x4 - 3x2 - 7x + 1 = 0; [0, 1]
A. 0.12 B. 0.15 C. 0.13 D. 0.14
Mathematics
Solve the problem.Use the trigonometric identity tan 2x = 
to find Dxtan 2x.
A. 2 sec2x(1 - tan2x) B. 2 sec2x(1 + tan2x) C. 2 sec2x tan2x D. 2 tan2x + tan3x
Mathematics