Adairy needs 306 gallon of milk containing 6% butterfat. how much gallons each of milk containing 7% butterfat and milk containing 4% butterfat must be used to obtain the desired 306 gallons?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

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The range of the following relation r {(3, -5), (1, 2), (-1, -4), (-1, 2)} is (1 point){-4, -5, 2, 2){-1, 1, 3){-1,-1,1,3){-5, -4,2)