Discover Questions

Complete the square and factor the resulting perfect-square trinomial. a2 − 5a a2 − 5a + ? = ? How would I go about doing this? Thanks? Any data entry work to do? I I'm 135 pounds just found out have take a mouth swab tomorrow morning what can I do to pass it? If you start with 155 g of Fe2O3, what is the mass of Dr produced? Fe2O3 + 3CO -> 2Fe + 3CO2? In the data set, what is the variance? 6 8 1 9 4?