Four runners formed a relay team at Jan’s high school. The team completed
the relay in 3.86 minutes. Each runner
ran exactly the same time. What was
each runner’s time?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Find the quotient. 50a2 – 98b2 -5a +7b

Miranda is braiding her hair. then she will attach beads to the braid. she wants 1_3 of the beads to be red. if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?