The u. s. is 3.794 million square miles. approximately 650,000 square miles are worked for food production. what percent of the u. s. is worked for food production?

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

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?