1. which method would be the simplest way to solve 7x+5y=19 7x-2y=-16? a. (2,1) b. (1,2) c. (7,5) d. (-7,-2)
2. what is the solution to the system 7x+5y=19 -7x+-2y=-16? a. ( 2,1) b. (1,2) c. (7,5) d. (-7,-2)

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

What is the area of the triangle 10 13 12