Answer:

Step-by-step explanation:

Distribute:

Combine like terms:

-2r + 4 is your answer.
Answer:
A = 28
B = 87
Step-by-step explanation:
18 + 10 = 28
103 -16 = 87
Answer: m= -1/8
Good luck !
Answer:
complementary angles are angles that sum up to 90 degrees. that is all I can say because I can't see any diagram
X=12 because 73-3x=61-2x so add 3x to both to make 73=61+X then subtract 61 from both to get 12=X