Solve the problem.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 8 different flags available, how many possible signals can be flown?
A. 512
B. 24
C. 56
D. 336
Answer: D
Mathematics
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Find the perimeter of the triangle.a scalene triangle whose sides are 6.8 ft, 12.5 ft, and 5.5 ft
A. 23.8 ft B. 24.8 ft C. 25.8 ft D. 18.7 ft
Mathematics
Find the area.
a = 3.9 ft, b = 10.8 ft
A. 42.12 ft2 B. 14.7 ft2 C. 84.24 ft2 D. 15.6 ft2
Mathematics
Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Mathematics
Find the domain of the function.f(x) = 7x2 + 8x - 1
A. x > 0 B. x < 0 C. All real numbers D. x ? 0
Mathematics