When two fractions have the same numerators

X-intercept=-5 y-intercept=2 the equation of the line is

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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?