Tom got 20 words correct and 10 definitions correct
<h3>
Equation</h3>
An equation is an expression used to show the relationship between two or more numbers and variables.
Let x represent the number of correct spelling word, and y represent the number of correct definition. Hence:
2x + 4y = 80   (1)
Also:
x + y = 30   (2)
The solution to the equation is:
x = 20, y = 10
Tom got 20 words correct and 10 definitions correct
Find out more on Equation at: brainly.com/question/13763238
 
        
             
        
        
        
Answer:
Substitution Property 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
For every 4 legs there is 1 tail:
4 legs : 1 tail
4 : 1
For every 1 tail there is 4 legs:
1 tail : 4 legs
1 : 4
 
        
             
        
        
        
Perimeter = Length+Length+Width+Width 
OR 
Perimeter = 2Length + 2Width 
They will both get you the same answer. 
Length = 14 
Width = 8 
P = 14 + 14 + 8 + 8 = 44 feet 
Answer: D. 44 Feet
        
             
        
        
        
Step-by-step explanation:
The answer is D) 
b^10/b^2
= b^10-b^2 = b^8
hope this helps.pls like and follow if you understand.
thanks:-):-)