Try another version of this question The Pappas family has two cats, Zeus and Athena. Together they weigh thirteen pounds. Zeus weighs 9 pounds. How much does Athena weigh? Write an algebraic equation that represents the situation, use `a` (Athena's weight) for your variable.
Athena weighs pounds. Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Be sure your variables match those in the question `a + 9 = 13`
Enter DNE for Does Not Exist, oo for Infinity 4