Answer:
the answer should be 9/14
Step-by-step explanation:
you add them all up then subtract the red for your denominator
then just put the number of white on top for your numerator 
 
        
                    
             
        
        
        
Answer:
17. Scale Factor is  3:1
18. Scale Factor is  1:3
Step-by-step explanation:
Scale Factor: In two similar shapes, the ratio of their corresponding sides is called scale factor.
17. Give the scale factor of Figure A to Figure B
Figure A has sides:
Hypotenuse = 15
Perpendicular = 12
Base = 9
Figure B has sides:
Hypotenuse = 5
Perpendicular = 4
Base = 3
So, if we divide all sides of figure A by 3 we get Figure B
So, Figure A : Figure B
3:1
18. Give the scale factor of Figure B to Figure A
Figure B has sides:
Hypotenuse = 5
Perpendicular = 4
Base = 3
Figure A has sides:
Hypotenuse = 15
Perpendicular = 12
Base = 9
If we multiply 3 with the sides of Figure B we can get the sides of Figure A.
So scale factor is 3.
So, Figure B : Figure A
1:3
 
        
                    
             
        
        
        
Answer:
Well one do the square root of 16
 
        
                    
             
        
        
        
Answer:
37.5
Step-by-step explanation:
5*15=75 then 75/2=37.5
 
        
             
        
        
        
Answer:
4x+7z
Step-by-step explanation:
4x + 2z + z +4z is the expression
The simplified expression is just the terms combined
so,
4x + 2z+1z+4z
4x+3z+4z
4x+7z