Answer:
X=6
Y= - 1
Step-by-step explanation:
X-y =7
X+y =5 cross - y and y
_______
X+x =7 +5
2x= 12
X= 12/2
X= 6
Replace X in first equation:
X - y =7
6 - y =7
6 - 7 =y
y = - 1
Hope this helps you.. Good Luck!
It is prime, it has no factors besides 1,23
My answer would be B 19
19 days is what they claimed but the sample is outside of the 95% confidence interval so
19 x 95% = 19.95
Below this value, 19.95 is the probable mean number of days that the company's air fresheners last. 15,17, and 19 can be the mean number of days.
1392
Sum of weight=mean•number of people
1392=43.5•32
The answer would be C I’m not sure
