Help! ;^; (05.07) A square pyramid is shown. What is the surface area?

A square based pyramid, with bases labeled 1.5 centimeters and side length of triangle labeled 3 centimeters.

6.75 cm2
11.25 cm2
20.25 cm2
81.75 cm2

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi