Pada persegi panjang OPQR, titik M tengah-
tengah QR dan titik tengah PR. Bila
u = OP dan =OQ maka MN =

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

Solve for r in the formula v = ir, when i = 5 and v = 15.

The great scientist alfred wegener proposed that continents have moved, while other scientists such as t. c.chamberlin argued against wegener. wegener's ideas eventually won, and are now widely accepted, because: a) wegener's ideas were more beautiful, and so were favored by the intellectual elite. b) wegener's ideas did a better job of predicting the results of new observations and experiments. c) wegener's ideas appealed to dead white european males, whereas chamberlin's didn't. d) wegener's ideas appalled dead white european males, and we all know that in this politically correct era, dead white european males cannot get a fair shake. e) wegener won the nobel prize.