Which link between two elements could you remove from the relation so that it becomes a function? 1 and c or 3 and a 4 and d or 5 and d 2 and e or 4 and d 2 and b or 2 and e

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

What expression is equivalent to (2x-1)(x-3)?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?