The Mayan used several different calendar systems; one system used 365 days, another system used 260 days. Suppose the first day of both calendars occurred on the same day. After how many days would the first day of the year again occur on the same day? About how long is this in years?

In which form is the following function written? y = - 2(x – 3)(x + 5)

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?