Which of the following are equivalent expressions? Select all that apply. (Select all that apply.)
$$3r2+29=3⋅r⋅r+29
$$4q2+3m=4⋅2⋅q+m⋅m⋅m
$$7e+18=7+e+18
$$40−v3=40−v⋅v⋅v
$$2b+4y=b+b+y+y+y+y