Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Answer: B
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Solve problems using a calculator.An electric meter installed by a construction company at a work site read 986 kilowatt hours on July 1 and 10,649 kilowatt hours on August 1. How many kilowatt hours of electricity were used at the site during the month of July?
A. 9662 kilowatt hours B. 9665 kilowatt hours C. 9663 kilowatt hours D. 9664 kilowatt hours
Write the statement as an inequality.x is less than 6
A. x ? 6 B. x > 6 C. x ? 6 D. x < 6
Describe how the graph of the equation relates to the graph of y = x2.f(x) = 6x2
A. a horizontal stretch by a factor of 6 B. a vertical stretch by a factor of 6 C. a translation 6 units to the right D. a translation 6 units up
Factor the perfect square.x2 + 12x + 36
A. (x - 6)2 B. (x + 6)2 C. (x + 6)(x - 6) D. (x + 12)(x - 12)