Given: abcd is a rectangle, < abx is congruent to < xbc prove: abcd is a square figure is labeled abcd clockwise with a starting in the upper left hand corner. diagnosis ac and bd intersect at x

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Pls! does anybody know a shortcut for answering these types of questions in the future?

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts