Name the following segment or point. given: l, m, n are midpoints orthocenter of triangle abc p q r (if you could also explain what an orthocenter is )

Ineed i don’t get this at all! and you

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?