5. If someone paid $1,160 in Medicare in 2013, how much did they pay in Social Security? Medicare is 1.45% and Social Security is 6,2% up to $115,000.

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

5(-9w) put expression in distributive property

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: