The algebra tiles represent the perfect square trinomial x2 + 10x + c.

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?

What is the perimeter of a rectangle if the length is 5 and the width is x?