Peter drives during the day traveling 400 km for t hours. On the same journey, Peter's father drives at night also traveling for 400 km for 1 hour longer and 10 km/h slower than Peter. Which of the following equations finds the velocity, v, that Peter drove?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

For the sequence [tex]a_{n} = 2n/(n+1)[/tex], what is the value of [tex]a_{10}[/tex]