PLEASE HELP ME!It takes Diego 124 of an hour to complete a lap on a circular bike track. The track is 13 mile long. What is Diego’s bike speed?Round the answer

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?

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

What are the domain and range of the function f(x)=2^x+1