The question says; shown here is a mathematical step taken when solving an equation. identify the mathematical reason or property used to simplify from the first step to the second step.

What two criteria are needed for triangles to be similar

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?