The air pressure of each tire in a group is
normally distributed with a mean of 39.2
pounds per square inch (psi) and a standard
deviation of 2.5 psi. if a tire in this group has
a z-score of -1.8, find its air pressure.

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?