Answer:
69.08cm
Step-by-step explanation:
The formula for the circumference is 
pi times diameter=circumference 
Since we are using 3.14 and we know the diameter we can plug that in
3.14 times 22= circumference
69.08=circumference 
 
        
             
        
        
        
Explanation:
Since we have given that

Now, we have to prove it as 

Now, start the iterations:

So, first blank will be filled with 

Second blank will be filled with 

Hence proved.
 
        
             
        
        
        
Answer:
D.Lindsay makes 480 candles. She divides 480 by 15 to get 32. She does not make enough candles.
Step-by-step explanation:
The explanation of the sufficient candles that are required to check whether she reach her goal or not is as follows:
She makes 480 candles that come from 
= 24 candles each days × 20 days
= 480 candles 
Now if we divide the 480 candles from 15 so we get 32
This is less than the minimum candles required i.e. 35
So, the option D is correct 
 
        
             
        
        
        
Answer:
It's 31.5 
Step-by-step explanation: The formula for right triangle is A=ab/2. A=area, a is one of the legs and b is the other leg. So you had for one leg 9 and for the other 7. You multiple 9 x 7 = 63. 63/2 = 31.5 for the area
 
        
             
        
        
        
Answer:
5 rate decrease 
Step-by-step explanation:
One base of the trapezoid is decreasing at a rate of 8 kilometers per second and height of the trapezoid is increasing at rate 5