Deborah bought a computer for 25% off the list price if the list price is $2,428 how much did that ball spend?

True or false? many triangular shapes can be circumscribed about a given circle

What is the vertex form of f(x) = x2 + 6x + 3

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under