Select the graph of the function.
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Graph the set on a number line.(-?, 2]
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Anne and Nancy use a metal alloy that is 28.2% copper to make jewelry. How many ounces of an alloy that is 23% copper must be mixed with an alloy that is 30% copper to make 105 ounces of the desired alloy?
A. 83 ounces B. 78 ounces C. 27 ounces D. 29 ounces
Mathematics
Solve.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 2-m beam can support 770 kg. How many kilograms can a 5-m beam support?
A. 0.013 kg B. 77 kg C. 308 kg D. 0.0032 kg
Mathematics
Find an equivalent equation in rectangular coordinates.r = 1 + 2 sin ?
A. x2 + y2 = 
+ 2x
B. 
= x2 + y2 + 2x
C. 
= x2 + y2 + 2y
D. x2 + y2 = 
+ 2y
Mathematics