What is the solution to this system of linear equations? y − 4x = 7 2y + 4x = 2 (3, 1) (1, 3) (3, −1) (−1, 3)

4. find the geometric mean of 4 and 12. 24 8

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi