Giving brainliest please help

What is the value of x in the following equation. -x ^3/2 = -27

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?