there are 200 freshmen in a high school. 30% of them take history. how many freshmen are enrolled in Spanish?

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?

Witch represents the inverse of the function f(x)=1/4x-12

Abcd is a square. what is the measure of angle bac