The confidence level is the proportion of times that an estimating procedure will be wrong in the long run.

true/false

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

How can (square root of 25) ^2 be rewritten?