Solve the problem.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 9 ft. How far does the skater go in tracing the figure eight?(Use 3.14 for ? .)
A. 28.26 ft
B. 113.04 ft
C. 26.26 ft
D. 56.52 ft
Answer: B
Mathematics
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Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = x7 cos ?x
A. 
B. 
C. 
D. 
Mathematics
Simplify the algebraic expression by collecting and combining like terms.
x + 
y - 
x - 
y + 4
A. 
x + 
y + 4
B. 
x + 
y + 4
C. 
x + 
y + 4
D. 
x + 
y + 4
Mathematics
Solve the linear equation.-7 + 22 = 13x - 2 - 12x
A. 13 B. -13 C. 27 D. 17
Mathematics
Find the indicated term of the sequence.The sixteenth term of the arithmetic sequence 27, 22, 17, ...
A. 102 B. -48 C. -53 D. -75
Mathematics