The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using backward substitution.
Write the solution as an ordered triple, if possible.
A. (24, -13, 5)
B. No solution
C. (9, -13, 5)
D. (26, -14, 5)
Answer: A
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Refer to the given map. Assume that the length of each east-west block is 
mile and the length of each north-south block is 
mile. 
Find the shortest possible walking distance (following the streets) between the bus stop and the grocery store.
A. 1.25 mi B. 1.50 mi C. 1.63 mi D. 1.38 mi
Find the equilibrium values for B and F .
Chemicals enter a house’s basement air. Let F (t ) and B(t ) be the amount of chemical (in mg m3 ) in the first floor air and the basement air after t minutes, respectively. Let’s suppose that the rate of change of F and B are given by the equations: B'= -0.018B + 0.72 and F' = 0.015B - 0.036F. What will be an ideal response?
Solve the problem.A ball is shot up in the air and its height, h, above the ground in feet is given by the function 
where x is the number of seconds the ball has been in flight. Graph this function and find the x-value for which the maximum height of the ball is attained. Round your answer to the hundredths place.
A. 1.71 B. 1.44 C. 1.56 D. 1.33
Use the table to answer the question.The table shows the games played by the high scorer of different basketball teams and the points scored in the last ten years.
The leading scorer of which team scored the most points in the last ten years?
A. Blue B. Green C. White D. Red