Find the exact or approximate circumference of the circle, as indicated.Find the approximate circumference. Use 
for ?.
A. 220 yd
B. 3850 yd
C. 110 yd
D. 55 yd
Answer: C
Mathematics
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Find the perimeter. Use 3.14 for ?.
A. 30.7 yd B. 23.55 yd C. 15.7 yd D. 41.4 yd
Mathematics
Simplify.
A. 
B. - 
C. 
D. -1
Mathematics
Find all the critical numbers of the function.f(x) = 
x3 - 
x2 - 15x + 2
A. 3
B. -3, 
C. - 
, 3
D. - 
, 
Mathematics
Write the system of linear equations represented by the augmented matrix. (Use variables x, y, z, and w.)
A. 
?
B.
?
C.
?
D.
?
E.
?
Mathematics