3x-3y=3 y=-5x-17 solve the system of equations by substitution or elimination

See attachment below and find the equivalent of tan(∠qsr)

Nellie is analyzing a quadratic function f(x) and a linear function g(x). will they intersect? f(x) g(x) graph of the function f of x equals one half times x squared, plus 2 x g(x) 1 5 2 10 3 15

5cakes cost 3.50 how much do 7 cakes cost