a hyperbola centered at the origin has a vertex at (0,36) and a focus at (0,39). which are the equations of the directrices?

Which of these triangle pairs can be mapped to each other using two reflections?

What dimensions can créate more than one triangle ?

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?