Find the distance d(A, B) between the points A and B.A(-6, -1); B(4, -5)
A. 84
B. 14
C. 2
D. 84
Answer: C
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Solve the triangle. Approximate values to the nearest tenth when appropriate.
A. c = 19.5, ? = 31.6°, ? = 40° B. c = 13.7, ? = 33.6°, ? = 38° C. c = 16.6, ? = 35.6°, ? = 36° D. No solution
Express the vector in the form ai + bj + ck.
if P1 is the point (3, 6, -3) and P2 is the point (5, 3, -7)
A. v = -2i + 3j + 4k B. v = 2i - 3j - 4k C. v = -2i - 3j + 4k D. v = -2i + 3j - 4k
Solve the problem.A triangular piece of glass is being cut so that the height of the triangle is 4 inches shorter than twice the base. If the area of the triangle is 224 square inches, how long is the height of the triangle?
A. 30 in. B. 32 in. C. 16 in. D. 28 in.
Provide an appropriate response.Solve the system of equations using the substitution method:x - 4y = 10-3x + 12y = -15
A. inconsistent; no solution
B. x = 10, y = 0
C. x = 0, y = -2
D. dependent; many solutions