The sum of a number, 1/6 of that number, 2/1/2 of that number, and 7 is 12/1/2. find that number

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Given f(x)=2x^2-8x+6 and g(x)=3x-1 find f(x) +g(x) a. 2x^2+5x+5 b.2x^2-11x+7 c. 2x^2-5x+5 d.2x^2-5x-5

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost