$10,000 is invested at two different rates. $2,500 is invested at 4%, and the rest is invested at 5%. how much interest is earned at the end of one year? show all work for full credit.

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Someone me! if you’re smart you can solve this!