102 students at a college were asked whether they had completed their required English 101 course, and 63 students said "yes". Find the best point estimate for the proportion of students at the college who have completed their required English 101 course. Round to three decimal places.

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step-by-step explanation:

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3. 8,935,200 minutes

4. 227,040 feet

answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?