Answer:
D, irrational numbers, 
Step-by-step explanation:
75 is part of all groups except irrational numbers, it is an integer, a whole number and a natural number..
 
        
                    
             
        
        
        
Step-by-step explanation:
 find the area as if it was a rectangle so do 14x12 then subtract the area of half a circle with a diamater of 12
 
        
             
        
        
        
Answer for teardrop shape:
64.27
Step-by-Step Explanation:
I used the area calculators on Goggle
Answer for square:
5.7
Explanation:
The shape is a square, so all the sides are equal
5.7 + 6.8 = 12.5
x = 5.7
Answer for trapezoid:
76.95
Explanation:
Again, Goggle
 
        
             
        
        
        
Hello there,
To write an improper fraction you will have to divide whole number by denominator than add the numerator...
7 * 1 = 7 
7 + 4 = 11
The denominator stays the same...
11/7 
Answer: 11/7 
Hope I helped!!
-Char