PLEASE HELP I DONT WANNA FAIL, THIS IS TOO HARD AND STRESSFUL

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

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?