Find the interest for six months when the principal is $400 at 6% annual interest paid semi annually (Rounded to two decimals)
O $24.00
O $48.00
O $8.00
O $12.00

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola 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? write your answer as a decimal rounded to the nearest tenth