Find the radius of a circle with central angle ? intercepting an arc of length s.? = 2.5 radians, s = 20 in.
A. 7.7 in.
B. 8 in.
C. 50 in.
D. 15.9 in.
Answer: B
Mathematics
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Determine whether the equation is quadratic.x2 - 3 = 2x
A. No B. Yes
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Solve.5m2 + 12m + 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Express the limit as a definite integral where P is a partition of the given interval.lim
?0
?xk, [-1, 3]
A. 
B. 
C. 
D. 
Mathematics
Answer the question.Fill in the blanks to complete the statement. The graph of 
is a parabola opening and is than that of y = x2.
A. down; narrower B. down; wider C. up; narrower D. up; wider
Mathematics