Camila was out at a restaurant for dinner when the bill came. Her dinner came to $32. After adding in a tip, before tax, she paid $40. Find the percent tip.

Wrote and expression for the difference of p and 4

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?

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