Hillary flips a fair coin 3 times in a row. what is the probability that the coin lands on heads all 3 times?

Evaluate cos2θ for cosθ = square root of 3/2

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Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.