Darcy wants to buy a new skirt. the price of the skirt is $35.00 and 7% sales tax will be added to the price. darcy has $40.00 to spend. how much money will darcy have left after paying for the skirt and the sales tax?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.