Write the first four terms of the sequence whose nth term is given by the formula. an = n2 − 2/n

a1 =
a2 =
a3 =
a4 =

Three coins are flipped. what is the probability that there will be at least two tails?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut