Tony and Maria are training for a race by running all the way up and down a 700m long ski slope. They each run up the slope at different constant speeds. Coming down the slope, each runs at double his or her uphill speed. Maria reaches the top first, and immediately starts running back down, meeting Tony 70m from the top. When M
Twice as many dimes as nickels. The total value is 3.50. How many nickels are there?
Determine the vertex and axis of symmetry of each quadratic equation y=x^2-4x+1 y=1/2x^2-6x-2 y=2x^2-5
See attached file. The attached equation needs to be re-arranged such that the variable S is isolated (on the left side of the equation - eg: S=....).