$1 is what percent of $2?

If square root x = -7, then x= -49 true or false

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

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?