I need help with a) and c). My teacher didn’t really go over this in class. ;(

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

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?

Classify the following number. −9.070707…