Answer:
option a
option d
option e
Step-by-step explanation:
option a

option d

option e

Answer:
a triangle;
Three faces of the cube meet to form the vertex, so the cross section is a two-dimensional figure with three sides
Step-by-step explanation:
Answer:
2 I guess or what you mean with replace
Step-by-step explanation:
but you replace it you still have the 5 apple so not sure
Answer:
there is no Pairs that equal 17
Step-by-step explanation: