So if QR and PQ are the same ( which they are bc the angles and other sides are the same) 3n-1= 5n-7 so -1= 2n -7 so 6 = 2n so n = 3 then QR is 5n -7 so 5 x 3 is 15-7 is 8 so the answer is 8. Hope this helps :)
Answer:
C.y=-3x-3
Step-by-step explanation:
Answer: a, b, c, d
Step-by-step explanation: its not a fraction, its a integer, its positive, and is rational (every integer is rational).
Answer:
8.3
Step-by-step explanation:use law of cosine
solve equation
substitute
simplify
Answer:
variable
Step-by-step explanation:
that is the textbook definition of variable
