Find the sum of the first 10 terms in this geometric series.
1+3+9+27+...

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

What is the average diastolic blood pressure for adults

Which of the following represents the length of a diagonal of this trapezoid?