Elsa received a $70 gift card for a coffee store. She used it in buying some coffee that cost $8.69 per pound. After buying the coffee, she had $43.93 left on her card. How many pounds of coffee did she buy?

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

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 of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?