Step-by-step explanation:
the estimated increase in height of baby each year would be 3 inches. 
 
        
             
        
        
        
Answer:
x(3y - 1) and (2a - 3)(2a + 3)
Step-by-step explanation:
(1)
3xy - x ← factor out x from each term
= x(3y - 1)
(2)
4a² - 9 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , then
4a² - 9
= (2a)² - 3²
= (2a - 3)(2a + 3)
 
        
             
        
        
        
Answer:
the price will decrease by 4148
the price of the next model will be 29852
 
        
             
        
        
        
Answer:
The circumference travels the same distance as the bicycle, 100 m
Step-by-step explanation:
 
        
             
        
        
        
63/8 is 7.875, or 7 remainder 7.