15 - 8x2 + 6x - 4x2 +11
The simplified expression is
Therefore, the simplified expression is a (select) w degree (select)

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?

Is the square root of 4 plus the square root of 16 rational?

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons