6x- 17/4 is less than or equal to 79/4solve and show work

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details