4a to the fourth power -2b to the second power +40 when a =2 and b =7

In a column proof the right column states your reasons

Which are reasons to get a claim peer reviewed? check all that apply. a peer review verifies conclusions. a peer review proves everyone else wrong. a peer review maintains standards of the field. a peer review identifies sources of errors. a peer review gains direct funding.

What is -23,-19,14,5, and -8 in order from least to greatest