I need help with this question

The first one is OBTUSE, since there is one obtuse angle(greater than 90 and less than 180)

The second one is acute, since all side have angles less than 90 degrees

The third and fourth ones are right triangles, the right triangle usually consists of one angle with 90 degrees(denoted by a square)

if e is the midpoint of bd, then bd is 14.

step-by-step explanation:

-1/3(x+1)^5

i’m pretty sure this is correct