Rewrite the statement using mathematical symbols.The set consisting of the elements k and z is not a proper subset of 
.
A. 
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B. 
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C. 
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D. 
? 
Answer: C
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Provide an appropriate response.Convert the inequality to a linear equation by adding a slack variable.9x1 + x2 + 4x3 ? 240
A. 9x1 + x2 + 4x3 + s1 + 240 = 0 B. 9x1 + x2 + 4x3 + s1 ? 240 C. 9x1 + x2 + 4x3 + s1 = 240 D. 9x1 + x2 + 4x3 + s1 ? 240
Find the area of the shaded region. (Assume that given measurements are exact, and round approximate answers to the nearest tenth of a square unit.) Use 
?
?
A. 900.0 in.2 B. 706.9 in.2 C. 176.7 in.2 D. 225.0 in.2 E. 353.4 in.2
Solve the problem.Jose is applying to college. He receives information on 6 different colleges. He will apply to all of those he likes. He may like none of them, all of them, or any combination of them. How many possibilities are there for the set of colleges that he applies to?
A. 16 B. 60 C. 64 D. 6
Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second, find the velocity of a bowling ball after it has fallen 70 feet. (Round to the nearest tenth.)
A. 66.9 ft per sec B. 11.8 ft per sec C. 47.3 ft per sec D. 4480 ft per sec