In a math class there are 8 male students and 7 female students. A student is
randomly selected to go to the front office and leaves. A second student is
randomly selected to go to the office. What is the approximate probability that
both students that left were a male students?
A.) 28.4%
B.) 26.7%
C.) 50%
D.) 25%

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?