Solve the equation.x - 
= 4
A. {2, 9}
B. {1, 2}
C. {9}
D. {-1}
Answer: C
Mathematics
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Find the length of the parametric curve defined over the given interval.x = 
(t2 + 5) 3/2, y = 5t, 0 ? t ? 1
A. 
B. 
C. 
D. 17
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Multiply and write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
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Solve the problem.If cos A = - 
and sin B = 
, with A and B in quadrant II, then find sin(A + B).
A. 
B. - 
C. 
D. - 
Mathematics
Subtract and simplify. Write the answer as a mixed number as needed.10
- 8
A. 18
B. 1
C. 17
D. 1
Mathematics