A plumber charges $55 for a house visit plus $25 for every hour he spends working. Which equation could be used to find t, the total cost of a house visit that lasted h hours ?

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

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

How can you find the mean absolute deviation (mad) for this set of data?