Solve the problem.The level of water in a tank after elapsed time t in minutes is given by 
s. Draw a graph for this function. At what time will the water start overflowing from the tank if the depth of the tank is 79 inches?
A. 15 minutes;
B. 23 minutes;
C. 13 minutes;
D. 23 minutes;
Answer: C
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Solve the problem.Suppose that we wish to distribute the four-digit random numbers from 0000 through 9999 such that the corresponding random numbers can be used to simulate the polluting spills in the Great Lakes. If the numbers 0000 to 2465 correspond to 0 spills, what is the estimated probability of 0 spills?
A. 
B. 
C. 
D. 
Simplify the complex fractions.
A. 
B. - 
C. 
D. 
Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions.x - 5 = yy + 3 = x
A. One B. Infinitely many C. No solutions
Write the phrase as a variable expression. Use x to represent "a number."The sum of 6, a number, and the product of 4 and the number
A. 6 + 4x B. 6x + 4x C. 6 + x + 4x D. 4x(6 + x)