Lolly and Joey ordered dinner. They leave a 18% tip. Let d represent the cost of the dinner and t represent the total cost. Which equation below does CAN NOT be used to represent how to find the total ?

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?

The parabola opens: y=√x-4 (principal square root) up down right left

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.