Answer + ! which ordered pair (x, y) is a solution to the following system of equations? a. (–6, 4) b. (2/7, 18/7) c. (18/7, 2/7) d. (6, -2)

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You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample