A quarter of its original size would be 25% of 100%, right? Therefore, the tumor would have to shrink 75%. If each treatment, the tumor shrinks 5% that would mean it takes 15 treatments to shrink 75 percent.
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We have
so this is indeed a difference of squares. Factorizing would give
making the answer D.
We can further factor the first term here and write
but that's clearly out of the scope of this question.
Answer:
52.9
Step-by-step explanation:
180-32.1-95=
guessing you don't have a calculater or the patience to answer this
Answer:
5(x+3)=2
Step-by-step explanation:
