Gina hiked down a canyon and stopped each time she descended ½ mile to rest. she hiked a total of 4 sections. what is her overall change in elevation?

Which expression is not a polynomial?

What is the range? can’t seem to find it out

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?