What is the variance of the data set? 9, 7, 6.5, 7.5, 7, 8, 5, 6, 7.5, 8

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%

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?