A stream segment begins at 550 feet above sea level and ends at 100 feet above sea level. The length of this segment is 100 miles. What is the average gradient for this stream segment

Arandom sample of 240 park users were asked if they go to the park more often on weekdays or on the weekend. the results are shown in the table. weekdays weekend male 50 10 female 150 30 based on the data in the table, select correct or incorrect for each statement. correct incorrect the males go to the park more often on the weekend. the females go to the park more often on weekdays. for the participants in the survey, gender affects which days of the week a person goes to the park.

With finding limits of multi variable !

Precalculus question, image attached.