To compare an online with a traditional lecture teaching method, 7 carefully-matched pairs of students were chosen for an experiment. Within each pair, one student was randomly assigned the online course and the other the lecture course. The semester averages of the students were compared. (1) What is the scientific hypothesis

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

Write the sentence as an equation. b increased by 281 is d

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.