Given the system of linear equations. x=y+3 y=-4x-3part a: solve the linear system of equations by graphing part b: use substitution to solve the linear system of equations part c: use addition to solve the linear system of equations in your final answer, include all of your work, the graph of the equations and the solution.

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

What's the difference between: x≥0 and nonnegative integer. ?

What are the steps to solving the inequality 3b + 8 ≥ 14?