The line plot shows the weights (to the nearest hundred pounds) of 30 head of cattle sold by a rancher.
What is the range of weights?
A. 600 pounds
B. 900 pounds
C. 700 pounds
D. 1,200 pounds
E. 350 pounds
Answer: C
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Estimate the error in the quadratic approximation of the given function at the origin over the given region.
A. |E(x, y)| ? 0.108 B. |E(x, y)| ? 0.008 C. |E(x, y)| ? 0.036 D. |E(x, y)| ? 0.027
Solve the problem.The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose the the intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 12 miles? Round your answer to the nearest unit.
A. 248 units B. 222 units C. 205 units D. 186 units
Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
A car purchased for $25,840 is expected to depreciate according to the formula 
where x represents years. How many years before the car will be worthless?
?
Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).