Answer:
Q1: 5, 5 SAS
Step-by-step explanation:
Q2: 10 sas
Q3:13 sss
Q4: 10 sss
Q5: 35 sas
21+3x
solution:
Answer: 42 divided by 2
Step-by-step explanation: 50% is one half, and 42/2 is one half of 42.