Find the missing number.
? 
= 4
A. 1
B. 
C. 2
D. 4
Answer: C
Mathematics
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Add or subtract as indicated. Simplify if necessary.
+ 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the trigonometric function for the given value of t.cos t, t = 
A. - 
B. 
C. - 
D. 
Mathematics
Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-2, -3)} B. {(3, 2)} C. no solution; ? D. {(2, 3)}
Mathematics
A point in rectangular coordinates is given. Convert the point to polar coordinates, r> 0.
?
?
A. Polar coordinates: 
B. Polar coordinates: 
C. Polar coordinates: 
D. Polar coordinates: 
E. Polar coordinates: 
Mathematics