Ma puteți ajuta la aceasta problema ca nu înțeleg. Dau coroana. E urgent!

How to solve a simultaneous equation involved with fractions?

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.