Solve this system by elimination.
3x+4y=5
-5x-4y=-11

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?