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in new york state, 48% of all teenagers own a skateboard and 39% of all teenagers own a skateboard and roller blades. what is the probability that a teenager owns roller blades given that the teenager owns a skateboard? enter your answer in decimal form rounded to two decimal places. hint change the percentages to decimals before plugging them into the conditional probability formula.

Choose all that apply. select all of the fees a credit card may have. annual fee apr balance transfer fee cash advance fee late fee overdraft fee over-the-limit fee

True or false? a circle could be circumscribed about the quadrilateral below.

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?