How much warmer is montana's average 3-mouth temperature than minnesota's? if montana average temperature is -0.7 and minnesota average temperature is -2.5 (use one step equation)

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?

Im literally having a mental breakdown

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square