Gaia wants to start at the lowest level and work her way up. list the levels in the order that gaia will search them

The parabola opens: y=√x-4 (principal square root) up down right left

Can any one me with the answers to these questions asap?

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9