Answer:
The y-coordinate is changing by the rate of -70 cm per sec.
Step-by-step explanation:
Given equation,

Differentiating with respect to time (t),

We have,


That is the distance between each pair points
Answer: B
Step-by-step explanation: For example, y=-2-1=-3, which is on the table
Answer:20 tablets
Step-by-step explanation:
Asked my MD father.
The answer would be 30. Easy way is just to count 5,10,15,20,25,”30”.