Podéis ayudarme con ecuaciones de primer grado?

: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?

How do you write something in scientific notation?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)