A normally distributed variable, x, has a mean of 259. P(x < 261. 51)= 0. 9184. Find the standard deviation of x

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Use the multiplier method to incrases £258 by 43%

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)