Solve the equation.
+ 
= - 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Determine whether the equation in one variable is linear.
= 7
A. linear B. not linear
Mathematics
Use a graphing utility to obtain the plane curve represented by the given parametric equations.Witch of Agnesi: x = 3 cot t, y= 3 sin2 t, 0 ? t < 2?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A man has 7 shirts and 11 ties. How many different shirt and tie arrangements can he wear?
A. 77 B. 121 C. 49 D. 154
Mathematics
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.4
? 12
A. 288
B. 48
C. 16
D. 50
Mathematics