In the box below, l = 15cm, w = 4cm, and h = 3cm. Find the diagonal, r, of the box to the nearest tenth of a centimeter.

To find the length of r, you will need to find s2.

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

Can someone me out here and the tell me the greatest common factor

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.