Guys help me 3(x−4)≥−2x+3

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

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?