Which is a variable expression for the word phrase? the product of 3 and a number decreased by 7
a. 3n + 7
b. 7 – 3n
c. 3n – 7
d. 7n – 3

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?

Which graph represents the function g(x) = |x + 4| + 2?

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week