How does an indirect proof differ from a regular proof?
a. an indirect proof switches the order of the left and right columns
of a regular proof.
o
b. an indirect proof begins by assuming that the opposite of what
you are trying to prove is true.
o
c. an indirect proof uses three columns
o
d. an indirect proof does not back up statements with a
corresponding reason.

 B.

Step-by-step explanation:

I'm basing my answer on the fact of definitions.

DIRECT PROOF:

A direct proof assumes that the hypothesis of a conjecture is true, then uses logical deductions to prove why its conclusion is true

INDIRECT PROOF:

An indirect proof relies on contradictions to prove a given conjecture, it assumes the conjecture is wrong until it runs into a contradiction that proves it as true.

Based on this

B. An indirect proof begins by assuming that the opposite of what you are trying to prove is true.

You can be the judge this is what I would pick

Good luck I hope you pass  

final total: 63

step-by-step explanation:

60 times sales tax

60 times 0.05

3

60 + 3

63