What’s the answer or is a write ur self answer so I can help !
Answer:

Step-by-step explanation:
Given
The attached graph
Required

This is the point where

On the attached graph;
when 
Hence:

Answer:
A. 3(t+2)
Step-by-step explanation:
We can easily solve your question by using any computational tool or calculator
Please see attached images for a full analysis of your problem
The result is
A. 3(t+2)
31 students do their homework every night
Answer:
A
Step-by-step explanation:
Antonia: 150 x 12 + 4,500 = 6,300
Cal: 250 x 12 + 3,400 = 6,400