Answer:Gary-18 brother-10
Step-by-step explanatiation:Gary=8 years+ brother's years
6 years ago :
Gary=3×brother's years
So:
1st case:brother=1 year,gary=3 years=>after 6 years brother=7 years,gary=9 years (NO)
2nd case:brother=2years,gary=6 years=>after 6 years brother=8 years,gary=12 (no)
3rd case:brother=3 years,gary=9 years=>after 6 years:brother=9 yrs, gary=15 yrs(no)
4th case:brother=4 yrs,gary=12 yrs=>after 6 years: brother=10 years,gary=18 years (This is the one)
(4x4)3 – 103 The third choice is correct :)
Answer:
definition, an arc subtended by a central angle of some given measure has the same measure.
Answer:
Given confidence interval is 0.54+or-0.05
0.54-0.05,0.54+0.05 =
(0.49,0.59)
In repeated sampling,the true proportion of country residents in favor of offering incentives to high-tech industries to build plants in the country will fall in the interval (0.49,0.59)
Answer:
18
Step-by-step explanation:
The value of n = 1 , 2 , 3. Find the first 3 term and add them.
3*1 + 3*2 + 3*3 = 3 + 6 + 9
= 18