Obtuse equilateral which name correctly classifies this triangle?
a.
right equilateral
b.
obtuse equilateral
c.
right scalene
d.
right isosceles

The answer is B. 
Hope that this helps!

1) add 6 to 24, write the rest of the equation 10-2x= 30 subtract 10 from 30 2x=20 divide 20 by 2 and x=102) add 3 to -9 write the rest of the equation 4x+3=-6 subtract 3 from -6 4x=-9 x= -2.25  i don't know the rest sorry