The table below shows the elevation at which different artifacts were found in a archeological dig. which of these artifacts was discovered at sea level

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?