Solve the problem.If sin ? = - 
, and ? terminates in quadrant IV, then find sin 2?.
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Use a system of equations to find the parabola of the form 
that goes through the three given points.
, 
, 
A. y = 3x2 - 5x - 5 B. y = -3x2 - 5x - 5 C. y = -3x2 - 5x + 5 D. y = -3x2 + 5x - 5
Mathematics
Determine whether the given function satisfies a Laplace equation.f(x, y, z) = cos (-5x) sin (-2y) e(
z)
A. No B. Yes
Mathematics
Simplify the expression. Write the answer using positive exponents.
A. 
B. 
C. 
D. 
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.18.27 L = ____ gal
A. 19.4 gal B. 4.8 gal C. 17.4 gal D. 69.1 gal
Mathematics