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9th grade math final

study guiede of my 9th grade 1st semeter math exam.

equationhow to/ answer
algebraic expression for 'nine times of the square of a numer' 9n*2
verbal experssion for 2n+7 two time a number plus seven
evaluate x*2+xyz if x=3, y=5, and z=4 3*2+3*5*4 9+60 69
simplify r*2-2r*3+3r*2 -2r*3 +4r*2
simplify 2(a+3b) + 3(4a+b) 2a+6b+12a+3b 14a+9b
Created by: Abbyejaymi bible