Answer:
80 km/hr
Step-by-step explanation:
This is asking for speed.
Speed=Distance/Time
Speed=720/9
Speed=80 km/hr
Answer:
We conclude that:
Step-by-step explanation:
Given
The product of 6g² and -2g³ can be determined by multiplying each other such as:

Apply the rule: a(-b) = -ab

Apply exponent rule: 



Therefore, we conclude that:
a) 4k^2 + k – 5) + (7k^2 + 2k + 6)
11k^2 +3k +1
Choice A