In 2 hours the temperature dropped 6 degrees the final temperature was -4 degrees fahrenheit what was the original temperature

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

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.

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)