What two numbers multiply to 1/4 and add to -1

The tile along the edge of a triangular community pool needs to be replaced? ?

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?