Write the following using algebraic notation, using the letter x for any unknown number: i think of a number, add two then multiply by three

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.