Answer:
11 years old
Step-by-step explanation:
If four brothers have the average age 6, then the sum of their ages is

years.
Let x years be the age of sister. If four brothers and their sister have the average age 7, then

Multiply this equation by 5:

The sister is 11 years old.
The answer is D) $0.15
James spent: $2.65
On 5 box of markers and 1 erase
So I divided 2.65 by 5 and got .15
$2.65 ÷ 5 = 0.15
So he spent $2.50 on markers an $0.15
Erasers
Based of James, Becky spent a dollar on. 2 boxes of markers
And $0.45 on 3 erasers
Hope I helped if so mark me as brainliest
how to get free weapon skins in rainbow six siege console games and my game sense is really good and I play Fragger in my team
Answer: 2x^3 + 3x^2 - 11x - 6
Step-by-step explanation: simplified