In how many ways can you write 3 letters on a tag using each of the letters a, b, c, d, and e without repetition?

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?

Reflect the point (7,0) across the y-axis

Abcd is a square. what is the measure of angle bac