Solve the system of linear equations using Gaussian Elimination ⬇️ (all in one curly bracket)
{a - b + c = 19
{2a + b - c = 14
{4a - 2b - 3c = 10

Answer! if you don’t mind, can you explain

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.