State whether the square root is rational or irrational. If the square root is rational, find the (exact) value. If the square root is irrational, estimate its value by rounding to the second decimal place.
A. Rational; 20
B. Irrational; 12.37
Answer: B
Mathematics
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Write the Egyptian numeral for the given Hindu-Arabic numeral.1534
A. 
B. 
C. 
D. 
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Simplify using order of operations.5 - (-2) + 22
A. 5 B. 11 C. 9 D. 7
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Express the sum using summation notation. Use a lower limit of summation, not necessarily 1, and k for the index of summation.7 + 9 + 11 + 13 + . . . + 23
A. 
B. 
C. 
D. 
Mathematics
Use the graph to solve the problem.In one city, the temperature in Fahrenheit on a typical summer day can be approximated by the following function:
Here, t represents the number of hours since 
The graph of this function is shown below. At what time does it start to get cooler?
A. At 3 p.m. B. At 1 p.m. C. At 10 a.m. D. At 4 p.m.
Mathematics