A librarian knows that 55% of the books currently checked out will be returned on the due date. The library has a total of 5,040 books checked out. How many of the books checked out will NOT be returned on the due date?

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

X+ y = 5 ; x - y =3 solve using linear combination

If the scale factor between two circles is 2x/5y what is the ratio of their areas?