Help please ! Due in 30 mins

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

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much