A rectangle is dilated by a scale factor of n = 1. Which statement is true regarding the image of the dilation? 1
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The image will be smaller than the pre-image because n = 1.
The image will be congruent to the pre-image because n = 1.
The image will be larger than the pre-image because n= 1.
O The image will be a triangle because n =
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Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.