Perform the indicated operation and simplify.
÷ 
A. 
B. z + 4
C. 
D. 
Answer: C
Mathematics
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Find the value of d2y/dx2 at the point defined by the given value of t.x = t + cos t, y = 2 - sin t, t = 
A. -2
B. -4
C. -
D. 
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
log9x + log9y
A. log9
B. log9y
C. log9
D. log9
Mathematics
Solve the equation.-8 = b - 4
A. {4} B. {12} C. {-12} D. {-4}
Mathematics
Use the distributive law to write an equivalent expression.(8 + u + v)2
A. 16 + 2u + 2v B. 8 + u + 2v C. 16 + 8u + 8v D. 16 + u + v
Mathematics