What is the first step when evaluating the expression (4+8÷2)×5-1

(4+8/2)*5-1

first step divide in the parentheses

(4+4)*5-1

second step add in the parentheses

8*5-1

third step multiply

40-1

last step subtract

39

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