Give the domain and range of the relation. X 4 5 0 6 Y 8 13 0 8 a) D: {6, 4, 5); R: {8, 8, 13) Ob) D: {6, 0, 4, 5); R: (8,0, 8, 13; c) D:4, 5, 6, 8, 13, 8); R: {0} d) D: (8,0, 8, 13); R: (6,0,4,5) please help me I am on a time test

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work: