Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Add.(6a5 + 2a2) + (6a5 + 5a2)
A. 19a7 B. 12a10 + 7a4 C. 19a14 D. 12a5 + 7a2
Mathematics
Find the standard deviation. Round to the nearest tenth.88, 53, 47, 35, 49, 79, 42, 60, 26
A. 18.8 B. 6.7 C. 21.3 D. 19.9
Mathematics
Solve the problem.A boat travels 4 miles south and then 7 miles east. How far is the boat from its starting point? Round approximations to the nearest tenth. 
East --7 mi-->
A. 5.5 mi B. 4.05 mi C. 8.1 mi D. 32.5 mi
Mathematics
Shown here are graphs of y1 and y2. The point whose coordinates are given at the bottom of the screen lies on the graph of y1. Use this graph, and not your own calculator, to find the value of y2 for the same value of x shown.
A. 27 B. 6 C. -6 D. 0.6666666
Mathematics