Answer:
23 years old
Step-by-step explanation:
Let x = age of younger sibling.
Then, the age of the older sibling is x + 9.
x + x + 9 = 55
2x = 46
x = 23
Answer: 23 years old
Answer:
x=2 and y= -2
Step-by-step explanation:
Substitute y=x-4 in second equation
x-4=4x-10
get x terms on one side and numbers on other sides
4x-x=10-4
3x=6
divide 3 on both sides
x=2
substitute x=2 in y=x-4
y=2-4
y= -2
W=80
365 subtract by all the other angles
Neighbor 1 tends to use fewer kilowatt hours each month.
Neighbor 2 had greater variability in the number of kilowatt hours used per month.
the median value for neighbor 2 is 75 kilowatt hours greater than the median value for neighbor 1.
25 bags have zips on them