Use the formula for the area or circumference of a circle to solve the problem. Where applicable, express answers in terms of ?.
Give the exact circumference.
A. 54.5? m
B. 11,881? m
C. 109? m
D. 218? m
Answer: D
Mathematics
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Graph the quadratic equation.y = x2 + 2
A. 
B. 
C. 
D. 
Mathematics
Find the area of the triangle.
A. 76.5 km2 B. 63 km2 C. 153 km2 D. 119 km2
Mathematics
Divide and/or multiply as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
÷ 
A. 5x2 + 5x
B. 
C. 5x2
D. 
Mathematics
Provide an appropriate response.Give the definition or an example of the phrase: Rationalizing the numerator.
What will be an ideal response?
Mathematics