Algebra 2 Trig Homework help please 1. A financial planner wants to invest $8000 dollars, some in stocks earning 15% annually and the rest in bonds earning 6% annually. How much should be invested at each rate to get a return of $930 annually from the two investments? 2. Marcia flew her ultralight plane to a nearby town against a head wind of 15 km/h in 2 h 20 min. The return trip under the same wind conditions took 1 h 24 min. Find the plane's air speed and the distance to the nearby town. 3. While training for a biathlon race, Kevin covered a total distance of 9 km by swimming for 45 min and running for 20 min. The next day he swam for 30 min and ran for 40 min, covering 14 km. Find his rates (in km/h) for swimming and running. (assume th
How to prove the Vertex Formula? How can you prove the vertex formula (x = -b/2a) works?
How do you solve this math problem? Find all real and imaginary roots of the following polynomial equation 3x^4 - x^3 + 4x^2 - 2x - 4 = 0