laura has a bag with red and blue balls. She picks a ball at random, record its color, puts the ball back in the bag, and picks another ball. Work out the probability that she got two balls of different color

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?