Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 18 miles, the distance between the cars was 6 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?

A. 24 mi
B. 36 mi
C. 30 mi
D. 18 mi


Answer: A

Mathematics

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When a car skids to a stop, the length L, in feet, of the skid marks is related to the speed S, in miles per hour, of the car by the equation . As speed increases, so does the length of the skid marks. What can you say about the rate of increase? A graph of L versus S can help you answer this question. ?

A. Skid mark length increases more rapidly as speed increases. B. Skid mark length increases rapidly at first but slows as speed increases. C. Skid mark length increases at a decreasing rate. D. None of the above.

Mathematics

Solve the problem.Assuming two parents, four grandparents, etc., what is the total number of ancestors a person has going back 8 generations?

A. 256 B. 128 C. 254 D. 510

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Determine whether the relation represents a function. If it is a function, state the domain and range.

A. function domain: {3, 4, 5, 6} range: {15, 20, 25, 30} B. function domain:{15, 20, 25, 30} range: {3, 4, 5, 6} C. not a function

Mathematics

Evaluate.-  - 

A. -  
B. - 
C. -  
D.

Mathematics