Solve the problem.Water is steadily pumped out of a flooded basement. Let v be the volume of water (in thousands of gallons) that remains in the basement t hours after water begins to be pumped. A linear model is shown. How much water will be in the basement after 2 hours of pumping?
A. 16 thousand gallons
B. 4 thousand gallons
C. 6 thousand gallons
D. 3 thousand gallons
Answer: B
Mathematics
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Solve the problem.Nikki is fishing from a bank 23 feet above water level. In this location, the fish tend to feed at 45 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. -22 feet B. -23 feet C. 22 feet D. 68 feet
Mathematics
Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.
+ 
A. -1.00 B. -1.0000 C. -1 D. -1.000
Mathematics
Use the discriminant to determine the number of real solutions.t2 - 10t + 25 = 0
A. One real solution B. Two real solutions C. No real solutions
Mathematics
Subtract.13 - (-4)
A. -17 B. 9 C. -9 D. 17
Mathematics