Solve the problem.The position of an object moving in a straight line is given by 
where s is in meters and t is the time in seconds the object has been in motion. How far will an object move in 10 seconds?
A. 740 m
B. 20 m
C. 520 m
D. 200 m
Answer: A
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Use a proportion to solve the problem.On a map, the length of a nature-center trail is 7.4 centimeters. If the scale is 3 centimeters to 40 kilometers, what is the actual length of the trail?
A. 102.7 kilometers B. 197.4 kilometers C. 99.7 kilometers D. 98.7 kilometers
Provide an appropriate response.Suppose that a problem asks you to find the height of a triangle, and that the problem leads to a quadratic equation. If h represents the height of the triangle, which of the following solutions to the equation cannot be an answer to the problem?
A. h = 
B. h = 3 - 
C. h = 3 + 
D. h = 
Evaluate the algebraic expression for the given values of the variables.
, for x = 46, y = 6
A. 23 B. 24 C. 22 D. 44
Use the given values of the variables to find the value of the expression.-3x - 8y - 4a for x = -2, y = 3, a = 2
A. -22 B. -17 C. -26 D. -1