The shapes are quadrilaterals because they have

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

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