2r-12-3(r + 7) can I get help pls

G(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.

Answer this question! 30 points and brainliest! only if you know the answer.

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?