From Figure A to Figure B find the scale factor

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Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.