B. Simplify by making mathematical expression9 is subtracted from 3 times the sum5 and 6.
2 answers:
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is the same as picking from a points set hmmm, notice the table is an x,y table, so we can just pick any two points to get the slope and thereby the equation.
3)
let's use (100, 36.5) and (300, 106.5)
4)
and for this one let's pick say (35, 88) and (45, 82)