Answer:
$18
Step-by-step explanation:
6/10 × $30 = $18
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Answer:
the answer is 80 i think 
Step-by-step explanation:
bc dependng on  2lw+2lh+2hw, formula 8 and 10 would be length and width 
Lets say 
8=width
10=lenght
3in=height
u would do 
2 x l x w   + 2 x l h + 2 x h x w= 
2 x 10 x 8 + 2 x 10 x 3 + 3 x 8=
160 +            60       +      48+=
268 is the sa
pls brainliest and more points :0
 
 
        
             
        
        
        
Answer:
D
Step-by-step explanation:
I don't know how to eliminate the wrong answers. 
Two line segments which have one end at a diameter and the other end meeting at a common point, make a 90 degree angle.
A is made that way, so A is 90 degrees.
 
        
             
        
        
        
1 time=2mins
xtimes=30mins
30/2 ×1= 15.
Therefore it can be completed 15 times in 30mins