An auditorium has 21 rows of seats. the first row has 18 seats and each suceeding row has two more seats than the previous row. how many seats are in the auditorium?

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

What’s the range cuz i can’t find it?