Answer:
Step-by-step explanation:
4a² b³ * (9a⁴b² - 4a² + 3) = 4a²b³ * 9a⁴b² - 4a²b³*4a² + 4a²b³*3
= 36a²⁺⁴ b³⁺² -16a²⁺²b³ + 12a²b³
= 36a⁶b⁵ - 16a⁴b³ + 12a²b³
SO EASY 60 people = 10 minutes in line 240 people = 40 minutes in line
The answer should be c 4 hours
Answer:
-99 divided by 9 is -11
Step-by-step explanation:
a negative divided by a positive is a negative and a positive divided by a negative is a negative .
but a negative divided by a negative is a positive
