What fraction is equivalent to half

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

Solve for x where 0 equation: cot^2x+2cotx+1=0