Answer: Leonhard Euler
Explanation: Although Albert Einstein perfected pie, It is widely acknowledged that Leonhard Euler makes it first.
Answer: your answer is c
Explanation:
During the 1800s political machines were considered Obsolete
Reagan Promised to ease their tax burden.
I think the answer would be you pay it back to the issuer minus the interest since most bonds have periodical payment for the interests. However, this depends on the issuer but oftentimes the case would be as such. Hope this helps.