Which expression is equivalent to 15n – 20? hurry ! 2(8n – 6) 6(2n – 9) 5(3n – 4) 5(4n – 3)

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.