Factor the trinomial below into two binomials. Put each binomial in parentheses.
X2 + 9x + 20

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

Which expression gives the area of the triangle shown below

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?