Which property is illustrated below?
1.8 + 7.3 = 7.3 + 1.8

identity property of addition
commutative property of addition
associative property of addition
distributive property

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce

Aline has a slope of negative 1/4 the past two points -5/4 and 1 what is the equation of the line