Number of line segments in a star

Graph the equation by plotting point x=2

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.