AnsWer PLs. The total cost of the movie CDs you buy is $74.39. The tax rate is 8.25%. What is the cost of the movies now with the 8.25% tax rate added?

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?

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !