What is the value of a
1/2 units
113 units
273 units
3/units
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Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)