Binomial Distribution problem

A coin is tossed 5 times. Find the following probabilities: (a 'What is the probability of getting no heads? (b 'What is the probability of getting at least 1 head? ) l (c) What is the probability of getting at least 2 tails? (d) What is the probability of getting an 2 heads and 4 tails? ) {e What is the probability of getting a heads on the rst ip (the other ips are irrele- vant)