Solve for the zeros of h = -16t2 + 36t

How can you decide witch operations to use to slice a two step equation

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

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?