Answer:
D
Step-by-step explanation:
In order to make

a mixed number you have to do division.

. Check:

. Therefore,

as a mixed number is

. Hoped I helped. :)
Slope formula:
(y2-y1)/(x2-x1)
Substitute in the points into the slope formula.
Slope= [10-(-2)] / [(-7)-8]
Slope= (10+2) / (-15)
Slope= 12/-15
Slope= -12/15
Simplify (3 goes into each)
Slope= -4/5
Hope this helps!! :)
So basically 5 x 1/4 would equal 1 1/4 ( One, One Fourth )
Set it up 180=(7x+10)+ z because angle b is on the flat line and then solve for x (180-10, then 170/7) and you’ll get the value of x and from there you can put it in all