In Exercises 5 and 6, use technology to find an equation of the line of best fit for the data. Identify and interpret the correlation coefficient.

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

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

2x minus y equals 6, x plus y equals negative 3