Please help!! This question determines if my friend passes or fails math this year and he has no clue how to solve it
(Last answer choice is 17 btw)

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*