Factor the trinomial by grouping, or state that the trinomial is prime.7x2 + 51x + 54
A. (7x + 9)(7x + 6)
B. (7x + 6)(x + 9)
C. (7x + 9)(x + 6)
D. prime
Answer: C
Mathematics
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Determine whether the given function satisfies a Laplace equation.f(x, y) = cos(x) sin(-y)
A. Yes B. No
Mathematics
Divide, if possible.
A. 12 B. 0 C. 1 D. Not defined
Mathematics
Make the conversion indicated. Round your result to the nearest tenth.103°F ? 
°C
A. 217.4 B. 25.2 C. 39.4 D. 153.4
Mathematics
The terminal side of ? in standard position contains the given point. Find the values of the six trigonometric functions of ?.(3, -10)
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
D. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
Mathematics