When you are asking a question what does the drop menu mean ( the one with numbers right next to pick a subject ) cause i always put 100 ..

Find the given elements if matrix d:

Yo y do yall have 2 stars that means yall wrong bro

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?