What is the value of t(-4) when t(x) = -x -2

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?

Rounded to the nearest tenth, what is the value of x

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices