Please help with the attached questions?​

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

What is the average diastolic blood pressure for adults