What would be the coefficient of determination if the total sums of squares (SST) is 23.29 and the sum of squares due to regression (SSR) is 10.03? a. 2.32.b. 0.43.c. 0.19.d. 0.89.e. none of these.

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf