Which expression is equivalent to 0 . 7 × 0 . 23 ?

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 for x and y: 217x + 131y = 913; 131x + 217y = 827

If the discriminant if a quadratic equation is 4 which statement describes the roots?