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

Henrik is shopping at a store. the store is having a sale on all items. henrik also has a coupon for an additional amount off the sale price. the expression 0.7p – 15 represents the final price, in dollars, of items with a regular price of p dollars. complete the table by filling in the value of the coupon and the percent discount of the store's sale.