Answer:
i dont understand it
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
4x+9=-3x+2
=> 7x=-7 move all x to left side and numbers to right side by changing + to - or - to +
x=-1
Answer: the answer should be 5
if you draw a right triangle 12 would be the line that goes up (A) and 13 would be the slanted line (C) so that leaves the bottom line to be C.
hope this helps!
Step-by-step explanation:

Answer:
angels on a line add up to 180.
the angle opposite the 47 degrees is vertically opposite so that angle will be 47 degrees
180 - 47 - 55 = 78
78 + 55 = 133
angle qpu = 133 degrees
I'm not sure what Marc rqt means but hopefully the angles I have worked out help?