Answer:
first do 58-4 which is 54 then do 54/ 9 which is 6 so the number is 6
Answer:
i think 5 is the right answer
A) The situation represents an arithmetic sequence because the successive y-values have a common difference of 210.
F(1) = 240 +210
F(2) = 240 +2(210)
F(3) = 240+3(210)
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F(x)= 240 +210x.
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Two cheaper books = x
more expensive = 1.5x
so, 2.5x=150
150/2.5=x=60
therefore the more expensive book = 90
It’s 5 since you’d use Pythagorean theorem
