2.8-(-5.1)
-(-5.1)=5.1
2.8+5.1= 7.9
Is this what you were asking?
Step-by-step explanation:
Equation of line:

where m is the slope
and c is the y-intercept (the value of y when x = 0)
In this case, given the slope = 1/4
and y-intercept is 8 (from the point (0,8))
The equation of the following line is:

The measurements of an angle X is 80
Answer:
√50= 5√2
Step-by-step explanation:
50=25*2
√50=√25*2
√50=√5*5*2
√50= 5√2
I hope it's about 1.8 sec