1 = Prt where r represents the rate. Rates must be converted into before multiplying.
a) fractions
b) mixed numbers
c) decimals

What numbers are included in the set of integers? what numbers are not included?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

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