Find all real numbers that satisfy the equation.2 cos (3??) = 1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve.3x2 - 4y2 = -523x2 + 3y2 = 60
A. (2, 4), (4, 2), (-2, -4), (-4, -2) B. (2, -4), (2, 4) C. (-2, -4), (-4, -2) D. (2, 4), (-2, 4), (2, -4), (-2, -4)
Mathematics
A right circular cylinder of altitude h and with a base of radius r has lateral area L where 
.
Answer the following statement true (T) or false (F)
Mathematics
Perform the indicated operations and, if possible, simplify. Recall that multiplications and divisions are performed in order from left to right.
? 
÷ 
A. 
B. 
C. 1
D. 
Mathematics
Use a graphing utility to graph the equation.r = 
A. 
B. 
C. 
D. 
Mathematics