Which system of equations has the same solution as the system below?
6
x
+
3
y
=
6x+3y=

−
66
−66
3
x
+
2
y
=
3x+2y=

−
35
−35

6
x
+
3
y
=
−
66
6x+3y=−66
3
x
−
4
y
=
70
3x−4y=70

6
x
+
3
y
=
−
66
6x+3y=−66
−
6
x
−
4
y
=
−
35
−6x−4y=−35

6
x
+
3
y
=
−
66
6x+3y=−66
−
6
x
+
2
y
=
70
−6x+2y=70

6
x
+
3
y
=
−
66
6x+3y=−66
−
6
x
−
4
y
=
70
−6x−4y=70

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)

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?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?