Guys can you please solve this problem I’ve been trying to solve it for 40 minutes please begging

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

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?