Ellie received a 20% discount on the purchase of 9 shirts that were originally priced at $11.65 each. What was the total cost of the 9 shirts after the discount

Standard deviation of 19,29,21,22,23

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?