If a plastic cup cost 800 naira and half a dozen of it cost 4200 naira find the discount on half a dozen.​

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean