Find the center and radius of the circle with the given equation. (x + 8)2 + y2 = 4
A. Center (0, -8), r = 4
B. Center (-8, 0), r = 2
C. Center (-8, 0), r = 4
D. Center (0, -8), r = 2
Answer: B
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A delivery truck must deliver packages to five different store locations (A, B, C, D, and E). The trip must start and end at D. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
Using both the cheapest-link and the repetitive nearest-neighbor algorithm, the length of the shortest trip we can find (without using brute force) is:
A. 50 miles. B. 63 miles. C. 58 miles. D. 52 miles. E. none of these
Solve.The three angles in a triangle always add up to 180°. If one angle in a triangle is 72° and the second is 5 times the third, what are the three angles?
A. 72°, 89°, 19° B. 72°, 88°, 20° C. 72°, 90°, 18° D. 72°, 91°, 17°
Find the value of x or y so that the line through the pair of points has the given slope.(x, 2) and (3, 10); m = 4
A. 3 B. 1 C. 2 D. -2
Solve the equation for the specified variable.P = 2l + 2w for l
A. l = 
B. l = 
C. l = P - w
D. l = P - 2w