Evaluate.a2 - 2abc - c2 for a = -9, b = 4, and c = 8
A. 593
B. 431
C. -559
D. 721
Answer: A
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Write the given decimal as an infinite series, then find the sum of the series, and finally, use the result to write the decimal as a ratio of two integers.0.2929292 . . .
A. 
B. 
C. 
D. 
Decide whether the statement makes sense. Explain your reasoning.Your conditional deductive argument is valid. Therefore, it must be an example of "Affirming the Hypothesis."
What will be an ideal response?
Factor out the greatest common factor. Simplify the factors, if possible.15wx - 12wy - 9wz
A. 3w(5x - 12wy - 9wz) B. 3w(5x - 4y - 3z) C. 3(5wx - 4wy - 3wz) D. 15w(x - 12y - 9z)
Solve the problem.Police use the formula s = 
to estimate the speed s of a car in miles per hour, where d is the distance in feet that the car skidded and f is the coefficient of friction. If the coefficient of friction on a certain gravel road is 0.24 and a car skidded 350 feet, find the speed of the car, to the nearest mile per hour.
A. 275 mph B. 50 mph C. 2,520 mph D. 102 mph