Answer:
68.06%;
Step-by-step explanation:
 
        
             
        
        
        
<u>answer:</u>  
<u>work:</u>
 | subtract 5x and move it over to the 7x, and solve
  | subtract 5x and move it over to the 7x, and solve
 | subtract 4 and move it over to the 10, and solve
  | subtract 4 and move it over to the 10, and solve
 | divide by 2
  | divide by 2
 | final answer
  | final answer
hope this helps! ❤ from peachimin
 
        
             
        
        
        
Answer: 5? 
Step-by-step explanation:
there are 5 prizes to be chosen from.
 
        
             
        
        
        
First, let's see how 23 compares with the squares of the positive whole numbers on the number line.
1² = 1
2² = 4
3² = 9
4² = 16
5² = 25
The value of 23 is right between the square of 4 and the square of 5. Thus, the value √23 will be between 4 and 5.
Since 23 is much, much closer to the square of 5 than the square of 4, we can assume that the value √23 will be closer to 5 on the number line than 4.
Look at the attached image to see where I plotted the approximate location of √23.
You will realize that this approximation is pretty close since the actual value is roughly 4.80.
Let me know if you need any clarifications, thanks!
 
        
             
        
        
        
Answer: The first equation is an equation of a parabola. The second equation is an equation of a line.
Explanation:
The first equation is,

In this equation the degree of y is 1 and the degree of x is 2. The degree of both variables are not same. Since the coefficients of y and higher degree of x is positive, therefore it is a graph of an upward parabola.
The second equation is,

In this equation the degree of x is 1 and the degree of y is 1. The degree of both variables are same. Since both variables have same degree which is 1, therefore it is linear equation and it forms a line.
Therefore, the first equation is an equation of a parabola. The second equation is an equation of a line.