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the table below shows all of the possible outcomes for rolling two six-sided number cubes.

a table with 36 possible outcomes. there are 9 desired outcomes.

what is the probability of rolling an even number first and an odd number second?
1/9
1/6
1/4
1/2

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10