PLEASE HELP!! i don't understand how to solve this :(

√(8−x) −√(9+5x) =√(4−5x) −√(5+x)

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?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Witch sequence shows a pattern where each term is 1.5 times the previous term