For what value of h is y=x2−4x+8 equivalent to y=(x−h)2+4 ? A = 2
B = 3
C = 0
D = 1
E = 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?