1A. What is the total cost of a sweatshirt if the regular price is 42$ and the sales tax is 5 1/2%? And here is another one as well think of it as 1B.
1B. Scoutt wants to tip his taxicab driver 20% if his commute costs $15 , what is the total cost

Last One... I Think. 1C
1C. Find the total cost of a spa treatment of 42$ including 6% tax and 20% tip.

Someone answer asap 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)) =

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.