Describe all symmetries of the figure shown.
A. 2 lines of symmetry, 180° rotation symmetry
B. 4 lines of symmetry
C. 4 lines of symmetry, 90° rotation symmetry
D. 2 lines of symmetry
Answer: A
Mathematics
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Perform the indicated operation(s). Where possible, reduce the answer to lowest terms.
A. 
B. 
C. - 
D. - 
Mathematics
Answer the question as instructed.84 means?
A. 8 ? 8 ? 8 ? 8 ? 8 B. 8 ÷ 4 C. 8 ? 4 D. 8 ? 8 ? 8 ? 8
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, sin ? > 0Find cos 
.
A. - 
B. 
C. 
D. - 
Mathematics
Write the compound inequality as an absolute value inequality. Do not simplify.?x < -12 or ?x > 12
A. 
< 12
B. 
< -12 or 
> 12
C. 
> 12
D. ?x > 
Mathematics