Help ASAP, do not write if you don’t know the answer please I have a few mins left this is finals

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

The base of a pyramid is a square with 5 lines of 5cm the slant height of each lateral face of the pyramid is 6 cm what is the surface area of the pyramid

The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) compute the z-score corresponding to the individual who obtained 42.342.3 miles per gallon. interpret this result.