HELP!
plz put what y would equal like it says in the answer box.

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12