10 ohms and 14 ohms with 120v , what is the dissipated power

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

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse