What is the solution for the system of equations? What does the solution mean in terms of the situation?

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?