Answer:
x=75
Step-by-step explanation:
Answer:

Step-by-step explanation:
Solve all options.
1. 

So,

There are solutions.
2. 

So,

There is one solution.
3. 

So,

There are no solutions.
Option C
The standard form of the equation for y + 7 = -2/5(x - 10) is 2x + 5y = -15.
<u>Solution:</u>
Need to determine standard form of equation of line passing through points (-5, -1) and (10, -7) and having slope form as 
Standard form of equation of line is such that terms having variables are on left hand side and constant terms on right hand side.
So let’s simplify given slope form.

On opening the brackets we get

=> 5(y + 7) = -2x +20
=> 5y + 2x = 20 – 35
=> 2x +5y = -15
Hence the standard form is 2x + 5y = -15.
It's takes about 4.6 hours if your rounding it to the nearest tenth
X = 6 and -6
if you need anything explained, please ask