Step-by-step explanation:
288 is girl in the class......
Answer:
a³ + b³
Step-by-step explanation:
Given
(a + b)(a² - ab + b²)
Each term in the second factor is multiplied by each term in the first factor, that is
a(a² - ab + b²) + b(a² - ab + b²) ← distribute both parenthesis
= a³ - a²b + ab² + a²b - ab² + b³ ← collect like terms
= a³ + b³
Answer: 639
Step-by-step explanation:
The percentage of Chang from 7.50 to 9.00 is 20
Answer: The answer is A
Step-by-step explanation:
