Use a proportion to solve the problem. Round to the nearest tenth as needed.A triangle drawn on a map has sides of lengths 8 cm, 10 cm, and 15 cm. The shortest of the corresponding real-life distances is 136 km. Find the longest of the real-life distances.
A. 170.0 km
B. 255.0 km
C. 160.0 km
D. 265.0 km
Answer: B
Mathematics
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First estimate the answer. Then add or subtract to find the exact answer. Write answer as a mixed number.
A. Estimate: 13; Exact: 
B. Estimate: 13; Exact: 
C. Estimate: 12; Exact: 
D. Estimate: 12; Exact: 
Mathematics
State whether the given number is written in scientific notation. Answer yes or no.56.87 × 103
A. Yes B. No
Mathematics
Simplify the complex rational expression using either Method I or Method II.
A. 
B. 
C. 
D. 
Mathematics
Rationalize the denominator.
A. 7
B. 
C. 
D. 7
Mathematics