Solve the system. x + 2y - 5z = 10
y + 2z = 2
z = -1
Enter your answer as an ordered triple.
help please​

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

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?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound