Sesión 3. In this math series we review addition, division, and multiplication. A very special mathematical puzzle. Can you tell me how it continues ? 27, 82, 41, 124, 62, 31...

Marie drew the triangle shown. she wants to draw a second triangle that is different from this one. use the drop-down menus below to complete the statements about the second triangle.

Ineed to know the answer right now! !

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?