What is the probability of getting a 9. a.) twice b.)at least twice in 6 tosses of a pair of dice​

it would take 5 hours i think idk i'm not that good at math.can you me with my questions i need asap.

d secondary market mark brainliest

15. x> 15/4,x< 17/2

step-by-step explanation:

in addition, millions of immigrants came to the united states during this era, seeking a better life for themselves and their families. one important result of industrialization and immigration was the growth of cities, a process known as urbanization. commonly, factories were located near urban areas.