The answer is C，
as she uses SSS to prove its congruent, she uses sides instead of angles so option a and d is not correct. as it needs to prove triangle pqr is congruent to triangle sqr, its not necessary to prove PQ is equal to QR. so the answer is c
Answer:
5
Step-by-step explanation:
3:2
for every 3 ounces of flour, you need 2 ounces of sugar
