Answer:
A. 1200
Step-by-step explanation:
Speed in meter per minute
= (216*1000)/(3*60)
= 216000/180
= 1200
Answer:
Hey I think that it's a cube of sodium or ice
Step-by-step explanation:
Hope it helps! :)

Step-by-step explanation:
my workings and answers is in the image above
The first question, it is decreasing because the slope is negative.