Ahiker in death valley begins the climb out of the valley from 150 feet below sea level. 5 minutes later the hiker is at 87.5 feet below sea level.
answer the questions above, .
worth 30 points

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

John bought 2 horses at rs 20000 each

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?