Perform the indicated operation. Give the answer in lowest terms.
? 
A. 1
B. 
C. 
D. 
Answer: A
Mathematics
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Perform the indicated operation and simplify. Assume all variables in the radicand are greater thanor equal to zero.
A. 
B. 2a3b7
C. 2a6
D. 
Mathematics
Solve the inequality symbolically. Express the solution set in interval notation.-6x - 7 > -7x - 9
A. (-?, -2) B. (-?, -16) C. (-16, ?) D. (-2, ?)
Mathematics
Give the equation of the function whose graph is described.The graph of y = x2 is shifted 2 units to the left. This graph is then vertically shrunk by a factor of 
and reflected across the x-axis. Finally, the graph is shifted 7 units downward.
A. y = - 
(x + 2)2 - 7
B. y = - 
(x - 2)2 + 7
C. y = - 
(x - 2)2 - 7
D. y = 
(x - 2)2 - 7
Mathematics
Use the Pythagorean identity.Find sin ?, given that cos ? = 
and 0 ? ? < ?
A. 
B. - 
C. 
D. - 
Mathematics