The graph below shows the height, h, in feet of a bouncy ball t seconds after it is bounced. The path of the ball is given by the equation: h=-5t²+ 14t + 3
*Can someone answer all of those for me, i will mark brainliest for first response ;) THANKS!!!*

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Which of the following graphs could represent a cubic function?