Rewrite the expression using the indicated property of real numbers.Commutative property of addition:
6 ? 4 + 1 ? (-6)
A. (-6) ? 4 + 1 ? 6
B. 4 ? 6 + 1 ? (-6)
C. 1 ? (-6) + 6 ? 4
D. 6(4 - 1)
Answer: C
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Solve the problem.Find the equation of a circle in standard form where C(6, -2) and D(-4, 4) are endpoints of a diameter.
A. (x - 1)2 + (y - 1)2 = 34 B. (x + 1)2 + (y + 1)2 = 136 C. (x + 1)2 + (y + 1)2 = 34 D. (x - 1)2 + (y - 1)2 = 136
Convert as indicated.258.8 cm to millimeters
A. 2,588 mm B. 25,880 mm C. 2.588 mm D. 258.8 mm
Find the requested function value.(g ? f)(x): f(x) = 
, g(x) = 3x + 6
A. x - 2 B. 3x + 12 C. x + 12 D. x
Solve the problem.The battleship USS Tennessee is 130 miles due south of the destroyer USS Alaska and is sailing north at 40 mph. If the USS Alaska is sailing east at 25 mph, how far apart will the ships be when that distance is at a minimum? Round your answer to the nearest tenth of a mile.
A. 17.8 miles B. 42.5 miles C. 68.9 miles D. 84.3 miles