If the r value, or correlation coefficient, of a data set is 0.827, what is the coefficient of determination to three decimal places

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?