Solve the following quadratic equation by factoring.
f (x) = -x^2-11x – 28

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )