Answer:
B
The answer is B, which is -1.5.
they are the same so set them equal
3x-10=2x+40 now combine like terms
3x-2x=40+10
x=50
Answer:
9
Step-by-step explanation:
9.
y coordinate gives the vertical distance
Answer:
Hope this helps out dude!
Step-by-step explanation:
The midpoint formula for a segment is:

apply to points R and P

using the definition of slope find the slope of the segment

apply to points R and P

to lines are parallel when the slopes are the same

two lines are perpendicular when the product of the slopes is equal to -1