Answer:
10
thanks brainliest and ask if need more help
$486
18x27=486
Hope this helps :)
Answer:
120
Step-by-step explanation:
We will use the segment addition postulate.
PQ + QR = PR
4x - 1 + 3x - 1 = 54
7x - 2 = 54
7x = 56
x = 8
So QR is 3(8) - 1 or 24 - 1 which is 23.