Solve the problem.A small farm field is a square measuring 240 feet on a side. What is the perimeter of the field?
A. 960 ft
B. 1,920 ft
C. 480 ft
D. 240 ft
Answer: A
Mathematics
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Approximate the given square root to the nearest tenth using the guess-and-check method.
A. 11.5 B. 11.3 C. 11.2 D. 11.4
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(5x2 - 19x + 9) - (2x2 + 15x + 14)
A. 3x2 - 34x + 23 B. 3x2 - 34x + 5 C. 3x2 - 34x - 5 D. 3x2 - 17x + 23
Mathematics