Which of the following statements about the points (-1,-3) and (1, -3) is true?
O A. (-1, -3) and (1, -3) are reflections of each other over the x-axis.
O B. (-1, -3) and (1, -3) are both on the x-axis.
O C. (-1, -3) and (1, -3) are reflections of each other over both axes.
O D. (-1, -3) and (1, -3) are reflections of each other over the y-axis.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Using elimination, what is -4x+2y=-12 4x+8y=-24

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