Consider u = {x|x is a negative real number).
which is an empty set?
{x|x eu and x has a negative cube root}
{x|x eu and x has a negative square root}
{x|x eu and x is equal to the product of a positive number and -1}
{x|x eu and x is equal to the sum of one negative and one positive number}

.24

step-by-step explanation:

the probability is   .24

the first player had the highest probability of getting a silver marble

the game could be made fair by adding back the marble that was drawn after each draw

need more information

step-by-step explanation:

it is 570

step-by-step explanation:

yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.