Answer:
75
Step-by-step explanation:
Let x be the total points
66/x = 0.88 (88%)
x = 75
This is how the calculation is done
1/2 = 24/x
x = 48
Yes it an obtuse because the angle is 110
and its isosciles becaues the two 35 angles
Part 1:
3,0,-2,7
Part 2:
A,C,D
X=2 or -7(answer choice A)