The national debt at the beginning of 2005 was about $7,600,000,000,000. which of the following represents this debt in scientific notation?

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?