The answer would be 73. if you don't believe me then divide 511 by 7 or multiply 73 by 7. your welcome
Answer:
Option (2).
Step-by-step explanation:
The given expression is [
]
We can rewrite the fractions as,
= 

Now we will substitute the fractions in the expression,
![[-(5+\frac{1}{4})]-[-(7+\frac{1}{2})]](https://tex.z-dn.net/?f=%5B-%285%2B%5Cfrac%7B1%7D%7B4%7D%29%5D-%5B-%287%2B%5Cfrac%7B1%7D%7B2%7D%29%5D)
= 
= (-5 + 7) + 
= 2 + 
= 2 + 
= 
Therefore, Option (2). will be the answer.
Answer:
The arrangement of the given equation in the slope - intercept form are

Step-by-step explanation:
Given:
x + y = 4 and
y - 2x = -5
Slope - intercept form :

Where,
m is the slope of the line.
c is the y-intercept.
When two points are given say ( x1 , y1 ) and ( x2 , y2) we can remove slope by
Slope,

Intercepts: Where the line cut X axis called X- intercept and where cut Y axis is called Y- intercept.
So, the Slope -intercept form of
x + y = 4 is 
and
y - 2x = -5 is
Steps:
let “x” be number of hrs
let “y” be total cost
Abe:
50x + 75 = y
Plumbing Service:
65x=y
Since both equations are equal to y, you can set them equal to each other.
65x = 50x + 75
isolate for x:
65x - 50x = 75
15x = 75
x = 5
therefore it will take 5 hours for each to cost the same. you should call Abe for any task more than 5 hours because it will be cheaper and you should call the Plumbing Service for any task less than 5 hours because it will be cheaper.