The function f(t) = 5 cos(pi over 6t) + 7 represents the tide in stanley sea. it has a maximum of 12 feet when time (t) is 0 and a minimum of 2 feet. the sea repeats this cycle every 12 hours. after four hours, how high is the tide?

11.3 feet

9.5 feet

4.5 feet

2.6 feet

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.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Equation for the calculation double 2 and then add 5