20 ! i need with a math question. i need to graph the system of equations for these two equations: -15x-5y=45 -2x+6y=6 i need the solutions to the x and y variables as well as a graph for each line. so much!

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

M the table below represents a linear function f(x) and the equation represents a function g(x): x f(x)−1 −50 −11 3g(x)g(x) = 2x − 7part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)part b: which function has a greater y-intercept? justify your answer. (4 points)