Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -210 ft near a rock formation. In this area, the ocean floor has an elevation of -385 ft. The rock formation rises to a peak 124 ft above the ocean floor. How many feet above the top of the rock formation is the diver?
A. 261 ft
B. 51 ft
C. 86 ft
D. 175 ft
Answer: B
Mathematics
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Convert the angle to degrees, minutes, and seconds; or to decimal degrees (and round your result to the nearest hundredth of a degree).137°46'58''
A. 137.74 B. 137.78 C. 137.84 D. 137.79
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Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(12b)0
A. 0 B. b C. 12 D. 1
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Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 10x
A. (-25, 5); x = -25 B. (25, -5); x = 25 C. (5, 25); x = 5 D. (-5, -25); x = -5
Mathematics
The following expressions represent denominators of rational expressions. Find their LCD.n, 5 + n, and 5 - n
A. n(5 + n)(5 - n) B. n2 + 25 C. 25n2 D. 25 - n2
Mathematics