Decide whether the given number is a solution of the equation.
= -6; 18
A. solution
B. not a solution
Answer: B
Mathematics
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Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.? = 30°10', a = 21, c = 16
A. ? = 41°20', ? = 11°10', b = 6.2 B. ?1 = 18°, ?1 = 108°30', b1 = 6.2 ?2 = 130°50', ?2 = 9°10', b2 = 2.4 C. ?1 = 41°16', ?1 = 108°34', b1 = 30.2 ?2 = 138°44', ?2 = 11°6', b2 = 6.1 D. No solution
Mathematics
Use the formula
?
?
to find the integral.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(8 - 
) + (2 + 
)
A. 10 - 13i B. 10 + 13i C. 10 - 5i D. 10 + 5i
Mathematics
Determine whether the equation defines y as a function of x.y = x3
A. y is a function of x B. y is not a function of x
Mathematics