when 122 is decreased by five times a number, the result is equal to the number increased by 20. what is the number? 17 23.7 25.5 35

Iknow this isn't a question, but is there someway to ask a question under public safety or is there no category for it? i don't know if i'm overlooking it or not.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers

After studying french for 5 yearscin school, i was shocked to discover when i went to france that i couldn't even get a glass of water without a lot of sign language what is the author main point