What is the metric volume of this cube?

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?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

An equation where variables are used to represent known values—function notation true or false