Solve the equation.
= 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the indicated derivative.Find y " if y = -7 cos x.
A. y " = -7 sin x B. y " = 7 sin x C. y " = 7 cos x D. y " = -7 cos x
Mathematics
Determine whether the argument is valid or invalid.If Ann so wishes, then Bill will be the president. Manuel is a public defender or Bill will be the president. Manuel is not a public defender. Therefore, Ann does not so wish.
A. Invalid B. Valid
Mathematics
Write the given Hindu-Arabic numeral as a Chinese numeral.4900
A. 
B. 
C. 
D. 
Mathematics
Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.? = 12.97°, b = 7.34, a = 16.35
A. ? = 150°, ? = 17°, c = 9.6 B. ?1 = 30°, ?1 = 137°, c1 = 22.3 ?2 = 150°, ?2 = 17°, c2 = 9.6 C. ? = 30°, ? = 137°, c = 22.3 D. No solution
Mathematics