Martín afirma que todo número entero es un número racional. ¿Es correcta la afirmación de
Camilo?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.