Using the correct number of significant figures?

Which of the binomials below is a factor of this trinominal? x^2-13+30

To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf

Abc ~ ade bc parallel to de. bc = 6, de = 9 which of the following could be the lengths of ab and bd respectively? 2 and 3 3 and 4.5 4 and 2 4 and