4positions to fill 11 people interested. how many ways can position be filled

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1