The point (3, -4) is on the terminal side of an angle . what is cos ?
a) -3/5
b) 3/5
c) -3/4
d) 3/4
e) 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?

What is the value of y? round to the nearest tenth

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.