13. A theater in New York City has 16 seats in the first row. (a) If two seats are added to each row, how many seats are in the 12th row?
(b) How many total seats are there in the first 12 rows?

3(10x-y)-5(x-y^2) need this solved asap

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip