Solve the problem.The magnitude of an earthquake, measured on the Richter scale, is given by 
where I is the amplitude registered on a seismograph located 100 km from the epicenter of the earthquake, and I0 is the amplitude of a certain small size earthquake. An earthquake measured 8.1 on the Richter scale. Express this reading in terms of I0.
A. 12,589,254 I0
B. 125,892,541 I0
C. 100,000,000 I0
D. 3292 I0
Answer: B
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Determine whether perimeter or area is the most appropriate measure needed for a solution.You want to install motion detectors around your property line to detect intruders.
A. Area B. Perimeter
Use the given graph to find the x-intercepts.
A. -6, 6 B. 0 C. -6 D. 6
Determine whether the variation between the indicated quantities is direct or inverse.The price of an item and the quantity of the item that you can purchase with a given amount of money
A. Direct B. Inverse
Identify the basic feasible solution corresponding to the given simplex tableau. x1 x2 x3 x4 x5 M
A. x1 = 11, x2 = 6, x3 = 20, x4 = 47, x5 = 43, M = 0 B. x1 = 11, x2 = 6, x3 = 1, x4 = 0, x5 = 0, M = 0 C. x1 = 0, x2 = 0, x3 = 20, x4 = 47, x5 = 43, M = 0 D. x1 = -34, x2 = -32, x3 = 0, x4 = 0, x5 = 0, M = 1