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:
Tax 3.78 $ and tip 7.56 $
Step-by-step explanation:
42*0.09 = 3.78
42*0.18 = 7.56
Answer:
Step-by-step explanation:
1.458
The 5 is in the hundredths place

It is prime because it has no common factors in 5a^2 and b.
The answer is
A<span>
.</span>