Which equation is quadratic in form? O 90° + 3,5-1=0
O 3x' +110° +6=0
O 30° +2° - 10 = 0
O 3(x + 1) + 4x + 7+2 = 0

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?

Find the cosine function that is represented in the graph.

What is the distance from (–3, 1) to (–1, 5)? round your answer to the nearest hundredth. (4 points) a. 3.60 b. 4.12 c. 4.47 d. 5.66