Caleb rode his bike for 3.1 miles in the morning. Then he rode his bike another 22 miles in the afternoon. How many miles did Caleb
ride all together? Draw an arrow on the number line to show how
to find the answer. Then write the answer below.

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

What is the difference between the equations of a vertical and a horizontal line?