Solve the problem.To measure the width of a river, a surveyor starts at point A on one bank and walks 72 feet down the river to point B. He then measures the angle ABC to be 
Estimate the width of the river to the nearest foot. See the figure below. 
A. 66 ft
B. 173 ft
C. 30 ft
D. 28 ft
Answer: C
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Find the distance between two points given their coordinates.Find the distance between points P and Q on a number line, with coordinates 2 and -4, respectively.
A. d(P, Q) = -6 B. d(P, Q) = 2 C. d(P, Q) = -2 D. d(P, Q) = 6
Find a function P(x) defined by a polynomial of degree 3 with real coefficients that satisfies the given conditions.Zero of -4 having multiplicity 2 and zero of 8 having multiplicity 1; P(0) = - 128
A. P(x) = x3 - 48x2 - 128 B. P(x) = x3 + x2 - 48x - 128 C. P(x) = x3 - 2x2 - 8x - 128 D. P(x) = x3 - 48x - 128
Insert <, >, or = between the pair of numbers to make a true statement.-(-7) _____ -(-22)
A. > B. = C. <
Find a set of parametric equations for the line through the point and parallel to the specified vector.
What will be an ideal response?