Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income of $25,000 or more?
A. 0.54
B. 0.46
C. 0.74
D. 0.28
Answer: C
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Find the moment of inertia (in g?cm2) and the radius of gyration (in cm) with respect to the origin of the given array of masses located at the given points on the x-axis.166 g at (-10.2, 0), 438 g at (-18.2, 0), 238 g at (51.8, 0), 668 at (11.1, 0)
A. I = 883,000 g? cm2; R = 24.2 cm B. I = 4,110,000 g? cm2; R = 52.2 cm C. I = 10,100 g? cm2; R = 2.59 cm D. I = 10,100 g? cm2; R = 5.87 cm
Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval.f(x) = 0.1x4 - x2 + 3; interval [0, 4]; 4 subintervals
A. 17.4 B. 7.8 C. 20.4 D. 35.8
Simplify the given expression.(0.9)2
A. 0.81 B. 81 C. 1.8 D. 0.45
Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 8 minutes, the bell is at a depth of 600 feet. After 30 minutes the bell is at a depth of 1400 feet. What is the average rate of lowering per minute?
A. 0.03 ft per minute B. 46.7 ft per minute C. 26.7 ft per minute D. 36.4 ft per minute