? is a central angle that cuts off an arc of length s. Find the radius of the circle if ?= 9°, 
m .
?
A. 9 m
B. 10 m
C. 11.92 m
D. 12 m
E. 10.26 m
Answer: B
Mathematics
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Solve the problem.The two solutions of the equation x2 = x + 1 are
A. 1 and ?. B. ? and -1/?. C. ? and -?. D. ? and ?2. E. none of these
Mathematics
Solve the systems of equations by the addition method. 
A. {(5, -3)}
B. {(0, 12)}
C. infinitely many solutions; {
3x + y = 12} or {
9x + 3y = 36}
D. no solution; ?
Mathematics
Draw the angle.135°
A. 
B. 
C. 
D. 
Mathematics
Write the fraction as a terminating or repeating decimal.
A. 0.84 B. 0.74 C. 0.75 D. 0.64
Mathematics