Solve the problem.In Antartica, the high temperatures for the last four days have been 17.2°F, 5.6°F, 
and 
What is the average high temperature for this 
period?
A. 11.675°F
B. 11.075°F
C. 9.695°F
D. 12.325°F
Answer: A
Mathematics
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Solve.A new amusement park will be constructed on 875 acres of land. How many square miles is 875 acres? Round to the nearest hundredth.
A. 560,000 mi2 B. 56,000 mi2 C. 1.37 mi2 D. 1.4 mi2
Mathematics
Multiply, then simplify the product. If variables are present, assume they are positive.(
+ y)(
- y)
A. 12x
B. x + 2y
C. x - 2y
D. 11x - y2
Mathematics
Rationalize the denominator and simplify.
A. 
B. 
C. 5
D. 28
Mathematics
Solve the problem.If f(x) = 2x + 1 and g(x) = 8x2 - 8x + 1, find (fg)(2).
A. 85 B. 35 C. 84 D. 149
Mathematics