Find the sum.- 
+ 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Two cars leave Springfield, Illinois at the same time. One travels north at 7 miles per hour and the other travels west at 24 miles per hour. How far apart are they after 4 hours? (Hint: Use d = rt to find the distance traveled by each car.)
24 mph
A. 110 mi B. 100 mi C. 105 mi D. 97 mi
Verify that the values of the variables listed are solutions of the system of equations.
x = 5, y = 4, z = -1
A. not a solution B. solution
Find the decimal equivalent of the fraction.
A. 0.
B. 0.4
C. 0.
D. 0.45
A ship starts at point A and travels 105 mi north-east. It then travels 130 mi due east and arrives at point B. If the ship had sailed directly from A to B, what distance would it have traveled? Round your answer to three significant digits.
A. 217 mi B. 237 mi C. 187 mi D. 267 mi E. 207 mi