Find the perimeter. Use 3.14 for ? when needed.
A. 12.56 ft
B. 6.28 ft
C. 20.56 ft
D. 14.28 ft
Answer: C
Mathematics
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Graph the function.y = 
A. 
B. 
C. 
D. 
Mathematics
Use ?, ?, ?, or both ? and ? to make a true statement.{x | x ? N and x > 8} 
{x | x ? N and 3 < x ? 8}
A. ? B. ? C. ? and ? D. ?
Mathematics
Find the least common multiple (LCM) of the pair of numbers.7 and 21
A. 147 B. 7 C. 21 D. 28
Mathematics
Find the value(s) of the variable for which the rational expression is undefined.
A. -7 B. 7 C. -4, 0, 4 D. 0
Mathematics