Diamond and Sergio have cell phones with different payment plans. Both plans have a set monthly charge plus an additional charge per text message. In June their bills were exactly the same. Using the equation 75.89 + 0.12t = 27.41 + 0.36t, how many text messages, t, did they each send in June?

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.