Last question..in a hurry to get it done so I can go visit my grandparents grave! Please hurry..

the bottom one

Step-by-step explanation:

1/(5*5*5*5*5*5)

Step-by-step explanation:

5^3^-2

We know that a^b^c = a^(b*c)

5^(3*-2)

5^-6

We know that a^ -b =1/a^b

1/5^6

1/(5*5*5*5*5*5)

angle addition postulate

2x=56

step-by-step explanation:

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base