For this case we have the following expression:

 The first step is to solve the quadratic term.
 We have then:

 Then, the second step is to subtract both resulting numbers:
 
 We observe that the result obtained is a negative number.
 Answer:
 The result of the expression is given by:
 
 
        
             
        
        
        
Answer:
Well, you gotta take the amount a person runs per day and multiply by seven to see how much they ran per week, i dont have a value so its not possible to answer the quistion. 
 
        
             
        
        
        
By definition we have to:
 Acute triangle - It is a triangle that has all acute angles. An acute angle is one whose degree of measurement is less than 90.
 Therefore, Charlene's definition is correct.
 Charlene said:
 triangle is a triangle whose three interior angles have measures less than 90 °
 Answer:
 C.Yes, because this definition fits all acute triangles and does not fit triangles that are not acute.
        
             
        
        
        
Answer:
this is very long be shot question
Step-by-step explanation:
 
        
             
        
        
        
CP - the cost of painting the house for Painting USA company [$]
cP = 75 + 25 * 25 = 75 + 625 = 700 [$]
cU - the cost of painting the house for Upscale Home Painting company [$]
cU = 0 + 40 * 25 = 1000 [$]
cP < cU
The most cost effective is Painting USA company.
n - number of houres required to paint the house if the same cost for both companies
75 + 25 * n = 40 * n
40 n - 25n = 75
15n = 75  /:15
n = 5
The cost of paining the house is the same for both companies if the number of houres required to paint the house is 5.