Solve the problem.The tables below show the times by three runners in two heats of a race. Write a matrix that shows the increase (decrease) in each time from the first heat to the second. 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Subtract.(-3x4 + 6x6 + 6 - 6x5) - (-3 + 2x5 + 4x6 - 5x4)
A. 10x6 - 4x5 - 8x4 + 9 B. 2x6 - 4x5 - 8x4 + 3 C. 10x6 - 4x5 - 8x4 + 3 D. 2x6 - 8x5 + 2x4 + 9
Mathematics
Evaluate the integral.
A. 144 B. 45 C. -45 D. 54
Mathematics
t = 3.8 æsec, C = 450 pF, and R = 20 Kê. Find VR in a circuit connected to a 37 V source.
a. 10.9 V b. 17.4 V c. 20.9 V d. 24.3 V e. 31.2 V
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics