For her birthday, kendra received a gift card in the mail from her grandparents. the gift card was worth $50. kendra thought, since she had just received other gifts for her birthday, she would wait a while to spend the gift card. unfortunately, kendra forgot all about the gift card, and the card loses $5 every month after its date of purchase if it has not been used.

if kendra forgot the card for three months, she lost $
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What is the number 321,000,000 in scientific notation? also what is the number? ?

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.