Which statement is true about the equations -3x + 4y = 12 and #x - %y = 1?
• The system of the equations has exactly one solution at (-8, 3)
The system of the equations has
exactly one solution at (-4, 3).
• The system of the equations has no solution, the two lines are parallel.
The system of the equations has an infinite number of solutions represented by either equation.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0