Answer:
-3
Step-by-step explanation:
-1*-1=1
2*2=4
1-4
=-3
 
        
             
        
        
        
UW = 45
a squared + b squared = c squared 
- 6^2 + x^2 = 9^2
- 36 + x = 81
- (subtract 36 from both sides)
- x = 45
i'm pretty sure this is right and i hope it helps you!
        
                    
             
        
        
        
Answer: No Real Answers
Step-by-step explanation:
1. Distribute 
4x-8=4x+10
2. Get variables to one side add 8, subtract 4x)
0 = 18
3. Since this statement is false, the answer is... No real answers
 
        
                    
             
        
        
        
The football field is longer than soccer field.
<h3>What is a expression? What is a mathematical equation? What is unit conversion?</h3>
A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem. Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
We have a soccer field that is 105 meters long and a football field is 120 yards long.
In one yard, we have -
1 yard = 0.9144 meters
Then, in 120 yards, we will have -
120 x 0.9144 = 109.728 meters
Now, 109.728 meters > 105 meters. 
Therefore, the football field is longer than soccer field.
To solve more questions on dimensions and unit conversion, visit the link below -
brainly.com/question/4613077
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