If a coin is flipped 75 times, in how many ways could there be exactly two tails?

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How to find the exponential function y=ca^x, with points (1,2) and (2,1)

*15 pts* the graph of an exponential function of the form y = f(x) = ax passes through the points and the graph lies the x-axis. first line choices: (0, a) (0, 1) (0, 2) (0, -1) second line choices: (1, 0) (1, a) (1, 1) (1, -2) third line choices: above below on the