Gomes found the masses of three rocks for a science project. the first rock had a mass of 19.29 grams, the second rock had a mass of 25.3 grams, and the third rock had a mass of 46.3 grams. how much greater was the mass of the third rock than the combined mass of the other two rocks?

Acourgette seed and a pumpkin seed is planted p(courgette seed germinates) 4/5 and p(pumpkin seed germinates) = 1/6 what is the probability that both seds germinate

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Is there an x intercept in the equation 60*1.15^x