Step-by-step explanation:
5(m – 8) - 4(m – 7)
5m-40-4m+28
m -12
Answer:
380
Step-by-step explanation:
Order of operations!
(458+56)-134
(514)-134
514-134
380
done!
Answer:
x = 4
Step-by-step explanation:

Answer:
MN=23
Step-by-step explanation:
For the midsegment:
MN=(WZ+XY)/2
10x+3=(11+8x+19)/2
10x+3=4x+15
6x=12
x=2
MN=10×2+3=23
Answer: 16-gon or also hexadecagon