I think the answer is 62 cm2
 
        
             
        
        
        
Answer:
4
Step-by-step explanation:
Since,
The width of the Longer gear is 7, and the smaller gear has a width of 3..
7-3 = 4
Hope it helps...
Marking me as Brainliest would help me... :(
 
        
             
        
        
        
Answer:
The temperature in the greenhouse was at least 68 degrees before the heater stopped working.
Step-by-step explanation: 
It was at 68 then it dropped by 2 degrees. 
 
        
             
        
        
        
Answer:
Total rental cost is:
 y = Bx + M
where x is number of additional hours, y is total cost, M is fixed fee, and B are  is amount that is charged per hour.
Step-by-step explanation:
Let amount of flat fee = M
let hourly rate = B
Total rental cost = ?
As given the store charges a flat fee plus an hourly rate:
                                       ⇒    y = Bx + M
where x is number of additional hours, y is total cost, M is fixed fee, and B are  is amount that is charged per hour.