State the technical tern that describes used emails to mount a vicious attack on a supervisior​

In which phase does software coding and testing happen in the spiral model? the spiral model does not have a separate testing phase. both, software coding and testing occurs during the phase.

Which statistical function in a spreadsheet you to see how far each number varies, on average, from the average value of the list?

Whats three fourths of 15(this is supposed to be in math but i clicked too fast)