The cost of a movie ticket is $7. the cost is reduced to $5 for groups of 10 or more. how many people must be in a group for them to save a total of $30?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?