Oscar simultaneously tosses a fair coin and rolls an eight-sided fair die. The probability that Oscar gets heads and an even number is
. The probability that Oscar gets tails and a prime number less than 4 is
.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b