First convert the feet to inches:
3 feet= 36 in.; 4 feet=48 in.
Make an equation for each one:
Type A: h=36+15x
Type B: h=48+10x
Since the questions wants the heights to be equal, h=h so you can substitute so you have:
36+15x=48+10x
5x=12
x=2 2/5 years or 2.4 years
 
        
             
        
        
        
Answer: { 3, 8, 12, 43, -14, -25 }
greastest---leastest 
Step-by-step explanation:
 
        
             
        
        
        
Answer: (3,4)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
63 cm^2
Step-by-step explanation:
For finding the area, split the given figure into 2 rectangles one with dimensions 6×5 and another with dimensions 12×2
Area = 6×5 + 12×2 = 39+24 = 63