Answer:
y=7* (0.5)^x
Step-by-step explanation:
We are given that when x increases from 'a' to 'a+2' then y must increase by a factor of 1/4=0.25.
i.e. when x=a and x'=a+2.
then y/y=0.25 where y' is the function after putting x' to the old function.
 
        
             
        
        
        
1. - B) <span>the diameter is 16
2. - C.) </span><span>diameter is 8
3. - D.) </span><span>a circle's circumference divided by its diameter.
4. - C.) </span><span>the radius.
5. - A.) 9.42
6. - D.) </span><span>16 inches or less.
7. - A.) </span><span>π
8. - B.) </span><span>2 (3.14) π
9. - A.) 8
10. - B.) Perimeter
Hope this helps!</span>
        
             
        
        
        
Answer:
(x, y) - (x +4, Y-3)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
-20
Step-by-step explanation:
when you solve:  -7u-7=7, you get u= -2 and when you plug it in you get this equation 9(-2)-2=? 
then you get -20