Solve the system of linear equations using the Gauss-Jordan elimination method. If there is no solution, answer none.
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Solve the problem.The consumption of electricity can be modeled by C = Aert, where A is the current use, r is the rate at which the use is increasing, and t is the number of years. Suppose the consumption of electricity grows at 6.8% per year. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 1.62 years B. 44.12 years C. 0.16 year D. 16.16 years
Use the Binomial Theorem to expand the binomial and express the result in simplified form.(x + 2)4
A. x4 + 8x3 + 24x2 + 32x + 16 B. x4 + 2x3 + 24x2 + 16x + 16 C. x4 + 8x3 + 24x2 + 8x + 16 D. x4 + 8x3 + 16x2 + 32x + 16
Provide an appropriate response.If you graphed x ? 12, would you use a parenthesis or a square bracket? Explain why.
What will be an ideal response?
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.2 ÷ 
A. 
B. 
C. 1
D. 3