Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -191 ft near a rock formation. In this area, the ocean floor has an elevation of -291 ft. The rock formation rises to a peak 110 ft above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 181 ft
B. 81 ft
C. 10 ft
D. 100 ft
Answer: C
Mathematics
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Subtract. 10 - (-10)
A. 10 B. 0 C. 20 D. -20
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The graph of f(x) = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.
A. Negative B. Zero C. Positive
Mathematics
Solve the problem.Of 112 bicycles in a bike rack, 59 are mountain bikes. What fraction of the bicycles are not mountain bikes?
A. 
B. 
C. 
D. 
Mathematics
Solve.x5 - 9x3 ? 0
A. (-?, -3] ? [3, ?) B. [-3, 0] ? [3, ?) C. (-?, -3] ? [0, 3) D. [-3, ?)
Mathematics