Solve the problem.A boat travels 8 miles south and then 10 miles east. How far is the boat from its starting point? Round approximations to the nearest tenth. 
East --10 mi-->
A. 6.4 mi
B. 12.8 mi
C. 9 mi
D. 82 mi
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Solve the formula for the specified variable.ay + by = c for y
A. y = 
B. y = 
C. y = ac + bc
D. y = 
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Simplify.
A. 15x2
B. 5x
C. 5x2
D. 15x
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Solve and graph the solution set. Write the solution using interval notation.-7 < x + 2 ? 3
A. [-5, 5)
B. (-5, 5]
C. [-9, 1)
D. (-9, 1]
Mathematics