Va rog!Este urgent! https://www. edituraparalela45.ro/produs/matemat ica-algebra-geometrie-clasa-a-vii-a -consolidare-partea-a-ii-a-semestru l-2/
am nevoie de o poza clara de la pagina 9 exercitiile 7,8,10,nu trebuie sa le rezolvati!

You paid $7.70 to the mail package that weighed 5.5 lb. right and solve any quetion to find the cost per pound ? ?

Arandom high school question but a hard one

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?