Solve the problem. Round answer to the nearest tenth, if appropriate.A square has an area of 49 in.2. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 in.2. Find the dimensions of the rectangle.
A. 3 in. by 4 in.
B. 5 in. by 9 in.
C. 5 in. by 10 in.
D. 4 in. by 9 in.
Answer: B
Mathematics
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A. 4 m and 30 cm B. 4 m and 80 cm C. 14 m and 80 cm D. 104 m and 80 cm
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Determine whether the vectors 
and 
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.
?
A. 
B. 
C. 
D. 
E. 
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