Which expression is equivalent to m² - 13m - 30?
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27 is what percent of 108? 27 is % of 108

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?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)