Find the sum of the first 33 terms of the following series, to the nearest integer.
3,12,21, ...

How can you decide witch operations to use to slice a two step equation

What is the total area of the figure?

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?