Answer:
the area of a circle is A= πr²
 
        
             
        
        
        
Answer:
Step-by-step explanation:
C=25m plus 75 
 
        
             
        
        
        
Answer:
f^-1 (x) = x^2 + 5
Step-by-step explanation:
f(x) = √x - 5 
replace x with y 
x= √y - 5 
solve for y, 
x =√y-5
x^2 + 5 
Answer - 
f^-1(x) = x^2 + 5 
HOPES THIS HELPS :)
 
        
             
        
        
        
Answer:
2×2×3×7
Step-by-step explanation:
84 is even, so divisible by 2. 84 = 2×42
42 is even, so divisible by 2. 82 = 2×2×21
21 has a sum of digits of 3, so is divisible by 3. 84 = 2×2×3×7
 
        
             
        
        
        
Answer:
3.14
Step-by-step explanation:
A quarter circle is just 1/4 of an entire circle's area. Since you know the radius is two, simply find the area of the entire circle and divide by 4. 
4pi/4 = pi