Me Russo exchanged 200 euros , for 270 dollars. How many dollars would he get for 300 euros

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

If f(x)=x+7 and g(x)=1/x what is (fog)(x)