Answer:
Teo is 11 years old and Richard is 26 years old.
Step-by-step explanation:
Let R be the age of Richard and T be the age of Teo.
<u><em>First set up the equations:</em></u>
The combined age of Teo and Richard is 37:
R+T=37
Richard is four years old than twice Teo's age:
R=2T+4
<u><em>Then, solve the equations:</em></u>
Substitute (2) to (1) and solve for T:
(2T+4)+T=37
3T=11
T=11
Solve for R using (2):
R=2(11)+4
R=22+4
R=26
 
        
             
        
        
        
Answer:
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     <span> here 
 7 7/8 
 = [ (8*7) + 7 ] / 8 
 = (56 + 7) / 8 
 =63 / 8 
 similarly, 
 3 1/4 
 =[ (4*3) + 1] / 4 
 = (12 + 1) / 4 
 = 13/4 
 ---------------------------- 
 now put the values 
 7 7/8 - 3 1/4 
 = 63/8 - 13/4 
 here, take LCM of 8 & 4 which is 8. 
 now, 
 [ (1*63) - (2 * 13) ] / 8 
 = (63 - 26) / 8 
 = 37/8 
 = 4 5/8........................[ here, divide 37 by 8 which gives reminder as 5 and divisible value as 4 ]</span>
        
                    
             
        
        
        
Writing the slope-intercept form of a linear equation, we have:

Where m is the slope and b is the y-intercept.
Since parallel lines have the same slope, we can see that the slope of the line y = 2/3x + 1 is equal m = 2/3, so for our equation we also have m = 2/3.
Now, using the point (0, -4), we have:

So our equation is:

y = 2/3x - 4