Another triginomitry-sine ratio question explain and : '(

Which statement justifies why angle ebc measures 90?

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.

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