What is the average rate of change for this function for the interval from x=3 to x=5

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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