Hello everyone! I have some sample work I'm working on and having trouble with, please help!
And please show your work ^^
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Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.