Classify the angle as acute, obtuse, right, or straight.
A. Obtuse
B. Straight
C. Right
D. Acute
Answer: C
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Provide an appropriate response.Solve the quadratic equation by completing the square: x2 + 8x + 12 = 0
A. x = -2, -6 B. x = 1.3, -9.3 C. x = 2, 6 D. x = -4, -4
Provide an appropriate response.A student solved an equation by the quadratic formula and reached the step x = 
.What are the solutions of the original equation?
A. 
B. 
, - 
C. 
, 2
D. The equation has no real number solutions.
Solve.Jim can run 5 miles per hour on level ground on a still day. One windy day, he runs 10 miles with the wind, and in the same amount of time runs 7 miles against the wind. What is the rate of the wind?
A. 
mph
B. 5 mph
C. 28
mph
D. 1
mph
Solve.City A has an elevation of 13,315 feet above sea level while city B has an elevation of 18,908 feet below sea level. Find the difference in elevation between those two cities.
A. 32,223 ft B. 32,323 ft C. 5593 ft D. 5693 ft