Answer:82
Step-by-step explanation:
surface area=pxh + 2xb
p=perimeter of base
h=height
b=area of base
Perimeter of base=7+7+2+2=18
height=3
base area=7x2=14
surface area=18x3+2x14
Surface area=82
 
        
             
        
        
        
Answer:
(P+9s+21)/3
Step-by-step explanation:
hello : 
P/3 + (3s + 7) = P/3 + 3(3s + 7)/3 = (P+9s+21)/3
 
        
             
        
        
        
The answer is <span>y=0.5x+3
</span><span>There are 3 inches of snow on the ground: y = 3
</span><span>When it begins to snow 0.5 inches per hour: y = 0.5x
</span>There are 3 inches of snow on the ground when it begins to snow 0.5 inches per hour: y = 0.5x + 3<span>
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Answer:
7/9
Step-by-step explanation:
Has 7 blue and 9 yellow, find the ratio of blue to yellow so just simply 7/9.
 
        
             
        
        
        
Speed = distance/time 
so to work out time you do distance/ speed 
234/52= 4.5hours