2. The absolute value of -8 is 8. True 
3. An isosceles triangle has three congruent sides.
 Nope. It has two
  4. The cosine is the ratio between the length of the opposite leg to the length of the hypotenuse.
 I have no idea. 
 5. The boiling point of water is 212°C.
 true
 
 6.
 The expression 28xyz has 4 terms.
 true
 
7.
 Shapes that have the same size and shape are said to be similar.
false
 8.
 The points where the sides of a polygon meet are called the vertexes.
 true
 
 9. A heptagon is a seven-sided polygon.
 true (hexagon)
 10.
 An acute angle has more than 90° but less than 180°.
 true
 
        
             
        
        
        
Answer:
First off, I can't solve for y, there is no y variable.
Second, 3 = 7 ( 1 - 1 ) is not true because 3 ≠ 0 ( 3 doesn't equal 0 ) :
3 = 7 ( 1 - 1 )
3 = 7 ( 0 )  ( Simplify Parenthesis )
3 = 0 ( Multiply 7 and 0 )
3 ≠ 0
 
        
             
        
        
        
Answer:
x=1
Step-by-step explanation:
4x+1=5
4x=5-1
4x=4
x=4/4=1
This happens to be a whole number.
 
        
             
        
        
        
The answer would be A. 15mi
        
             
        
        
        
Answer:
the 5 seated table with the 2 pizzas got more each.
Step-by-step explanation:
 pieces each
 pieces each
 pieces each
 pieces each
 pieces each
 pieces each
Now change the fractions s that they all have a common denominator.



Thus meaning that the 5 seated table with the 2 pizzas got more each.