45. nicolas tosses a coin three times. if headsappears at least once, he wins. otherwise, heloses to his friend manny. how much greateris the probability that nicolas will wincompared to manny winning?

What expression is equivalent to 1/2(2+3x-6)

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Tom drove 206 miles in 3.9 hours. estimate his average speed.