Arkell decorates old bottles to make vases. The table shows the number of vases he has at the end of each day. Day Vases 1 6 2 12 3 18 4 24 5 30 This situation represents what sequence. The common what is what . At the end of the seventh day, Arkell will have what vases.

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

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 cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).