Answer: 8 seconds
Step-by-step explanation:
d = rt
the distance is 20
the rate is 2.5
20 = 2.5t
t = 20/2.5
t = 8
Answer:
2500
us
(B)
- 12k² + kl
Given
7kl - 3k(4k + 2l) ← distribute parenthesis by - 3
= 7kl - 12k² - 6kl ← collect like terms
= - 12k² + kl