Answer:9
Step-by-step explanation:
7x10x and use yout braing
I think 55 because you would multiply 11×5
X less than or equal to 2
|PR| = |PQ| + |QR|; |PQ| = |QR| conclusion |PR| = 2|PQ|
|PQ| = 3y; |PR| = 42; |QR|=?
subtitute
42 = 2(3y)
6y = 42 |divide both sides by 6
y = 7
|QR| = 3(7) = 21
