What percentage of people has an IQ score less than 90 or greater than 110

Restrictions on f(x) = 1/x+5 and g(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?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)