80% of x is 48. Write an equation that represents this statement.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

The total number of dental clinics total for the last 12 months was recorded

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)