The school band sells carnations on Valentine's Day for $4 each. They buy the carnations from a florist for $0.50 each, plus a $6 delivery charge.

10 points? me . its important ‼️‼️

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

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