HELP ASAP please

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i