I am really confused by this task..please help

The system of equations graphed below has how many solutions? y = 2x + 2

The graph of g(x) is a translation of y = which equation represents g(x)?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin