One of the exterior angles of an isosceles triangle is 80°. Find the angle between the base and the altitude drawn to one of the legs.

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

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?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5