Hola soy nuevo alguien quiere ser mi amigo o amiga

soy otakus si no saben jj

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable