Pyramid a is a square with the base side length of 14 inches and a height of 6 inches . pyramid b has a volume of 3,136 cubic inches . how many times bigger is the volume of pyramid b than a . give your answer as a percent . provide an explanation and proof for your answer to receive full credit

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?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

What is r i 4.5+10r=-6.5 with work pls